Pure-ftpd mit Postgre

StyleWarZ

StyleWarZ

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Hallo liebe Boardkollegen

Nach langer Pause bin ich wieder einmal was am Basteln. Einen Pure-ftpd Server welcher die Userinfos aus einer Postgre Datenbank holt.

Die Postgre DB läuft und ist über das Internet erreichbar (per pgadmin3)

Den Pureftpd Server habe ich folgendermassen konfiguriert:

pure-ftpd.conf
Code:
############################################################
#                                                          #
#         Configuration file for pure-ftpd wrappers        #
#                                                          #
############################################################

# If you want to run Pure-FTPd with this configuration   
# instead of command-line options, please run the
# following command :
#
# /usr/sbin/pure-config.pl /usr/etc/pure-ftpd.conf
#
# Please don't forget to have a look at documentation at
# http://www.pureftpd.org/documentation.shtml for a complete list of
# options.

# Cage in every user in his home directory

ChrootEveryone              yes



# If the previous option is set to "no", members of the following group
# won't be caged. Others will be. If you don't want chroot()ing anyone,
# just comment out ChrootEveryone and TrustedGID.

# TrustedGID                    100



# Turn on compatibility hacks for broken clients

BrokenClientsCompatibility  no



# Maximum number of simultaneous users

MaxClientsNumber            10



# Fork in background

Daemonize                   yes



# Maximum number of sim clients with the same IP address

MaxClientsPerIP             3



# If you want to log all client commands, set this to "yes".
# This directive can be duplicated to also log server responses.

VerboseLog                  yes


# Allow dot-files
AllowDotFiles               yes


# List dot-files even when the client doesn't send "-a".

DisplayDotFiles             yes



# Don't allow authenticated users - have a public anonymous FTP only.

AnonymousOnly               no



# Disallow anonymous connections. Only allow authenticated users.

NoAnonymous                 yes



# Syslog facility (auth, authpriv, daemon, ftp, security, user, local*)
# The default facility is "ftp". "none" disables logging.

SyslogFacility              ftp



# Display fortune cookies

# FortunesFile              /usr/share/fortune/zippy



# Don't resolve host names in log files. Logs are less verbose, but 
# it uses less bandwidth. Set this to "yes" on very busy servers or
# if you don't have a working DNS.

DontResolve                 yes



# Maximum idle time in minutes (default = 15 minutes)

MaxIdleTime                 15



# LDAP configuration file (see README.LDAP)

# LDAPConfigFile                /etc/pure-ftpd/pureftpd-ldap.conf



# MySQL configuration file (see README.MySQL)

# MySQLConfigFile               /etc/pure-ftpd/pureftpd-mysql.conf


# Postgres configuration file (see README.PGSQL)

PGSQLConfigFile               /etc/pure-ftpd/pureftpd-pgsql.conf


# PureDB user database (see README.Virtual-Users)

# PureDB                        /etc/pure-ftpd/pureftpd.pdb


# Path to pure-authd socket (see README.Authentication-Modules)

# ExtAuth                       /var/run/ftpd.sock



# If you want to enable PAM authentication, uncomment the following line

#PAMAuthentication             yes



# If you want simple Unix (/etc/passwd) authentication, uncomment this

#UnixAuthentication            yes



# Please note that LDAPConfigFile, MySQLConfigFile, PAMAuthentication and
# UnixAuthentication can be used only once, but they can be combined
# together. For instance, if you use MySQLConfigFile, then UnixAuthentication,
# the SQL server will be asked. If the SQL authentication fails because the
# user wasn't found, another try # will be done with /etc/passwd and
# /etc/shadow. If the SQL authentication fails because the password was wrong,
# the authentication chain stops here. Authentication methods are chained in
# the order they are given. 



# 'ls' recursion limits. The first argument is the maximum number of
# files to be displayed. The second one is the max subdirectories depth

LimitRecursion              2000 8



# Are anonymous users allowed to create new directories ?

AnonymousCanCreateDirs      no



# If the system is more loaded than the following value,
# anonymous users aren't allowed to download.

MaxLoad                     4



# Port range for passive connections replies. - for firewalling.

# PassivePortRange          30000 50000



# Force an IP address in PASV/EPSV/SPSV replies. - for NAT.
# Symbolic host names are also accepted for gateways with dynamic IP
# addresses.

# ForcePassiveIP                192.168.0.1



# Upload/download ratio for anonymous users.

# AnonymousRatio                1 10



# Upload/download ratio for all users.
# This directive superscedes the previous one.

# UserRatio                 1 10



# Disallow downloading of files owned by "ftp", ie.
# files that were uploaded but not validated by a local admin.

AntiWarez                   yes



# IP address/port to listen to (default=all IP and port 21).

# Bind                      127.0.0.1,21



# Maximum bandwidth for anonymous users in KB/s

# AnonymousBandwidth            8



# Maximum bandwidth for *all* users (including anonymous) in KB/s
# Use AnonymousBandwidth *or* UserBandwidth, both makes no sense.

# UserBandwidth             8



# File creation mask. <umask for files>:<umask for dirs> .
# 177:077 if you feel paranoid.

Umask                       177:077



# Minimum UID for an authenticated user to log in.

MinUID                      40



# Allow FXP transfers for authenticated users.

AllowUserFXP                no



# Allow anonymous FXP for anonymous and non-anonymous users.

AllowAnonymousFXP           no



# Users can't delete/write files beginning with a dot ('.')
# even if they own them. If TrustedGID is enabled, this group
# will have access to dot-files, though.

ProhibitDotFilesWrite       yes



# Prohibit *reading* of files beginning with a dot (.history, .ssh...)

ProhibitDotFilesRead        no



# Never overwrite files. When a file whoose name already exist is uploaded,
# it get automatically renamed to file.1, file.2, file.3, ...

AutoRename                  yes



# Disallow anonymous users to upload new files (no = upload is allowed)

AnonymousCantUpload         yes



# Only connections to this specific IP address are allowed to be
# non-anonymous. You can use this directive to open several public IPs for
# anonymous FTP, and keep a private firewalled IP for remote administration.
# You can also only allow a non-routable local IP (like 10.x.x.x) to
# authenticate, and keep a public anon-only FTP server on another IP.

#TrustedIP                  10.1.1.1



# If you want to add the PID to every logged line, uncomment the following
# line.

#LogPID                     yes



# Create an additional log file with transfers logged in a Apache-like format :
# fw.c9x.org - jedi [13/Dec/1975:19:36:39] "GET /ftp/linux.tar.bz2" 200 21809338
# This log file can then be processed by www traffic analyzers.

# AltLog                     clf:/var/log/pureftpd.log



# Create an additional log file with transfers logged in a format optimized
# for statistic reports.

# AltLog                     stats:/var/log/pureftpd.log



# Create an additional log file with transfers logged in the standard W3C
# format (compatible with most commercial log analyzers)

# AltLog                     w3c:/var/log/pureftpd.log



# Disallow the CHMOD command. Users can't change perms of their files.

#NoChmod                     yes



# Allow users to resume and upload files, but *NOT* to delete them.

#KeepAllFiles                yes



# Automatically create home directories if they are missing

#CreateHomeDir               yes



# Enable virtual quotas. The first number is the max number of files.
# The second number is the max size of megabytes.
# So 1000:10 limits every user to 1000 files and 10 Mb.

#Quota                       1000:10



# If your pure-ftpd has been compiled with standalone support, you can change
# the location of the pid file. The default is /var/run/pure-ftpd.pid

#PIDFile                     /var/run/pure-ftpd.pid



# If your pure-ftpd has been compiled with pure-uploadscript support,
# this will make pure-ftpd write info about new uploads to
# /var/run/pure-ftpd.upload.pipe so pure-uploadscript can read it and
# spawn a script to handle the upload.

#CallUploadScript yes



# This option is useful with servers where anonymous upload is 
# allowed. As /var/ftp is in /var, it save some space and protect 
# the log files. When the partition is more that X percent full,
# new uploads are disallowed.

MaxDiskUsage               99



# Set to 'yes' if you don't want your users to rename files.

NoRename                  yes



# Be 'customer proof' : workaround against common customer mistakes like
# 'chmod 0 public_html', that are valid, but that could cause ignorant
# customers to lock their files, and then keep your technical support busy
# with silly issues. If you're sure all your users have some basic Unix
# knowledge, this feature is useless. If you're a hosting service, enable it.

CustomerProof              yes



# Per-user concurrency limits. It will only work if the FTP server has
# been compiled with --with-peruserlimits (and this is the case on
# most binary distributions) .
# The format is : <max sessions per user>:<max anonymous sessions>
# For instance, 3:20 means that the same authenticated user can have 3 active
# sessions max. And there are 20 anonymous sessions max.

# PerUserLimits            3:20



# When a file is uploaded and there is already a previous version of the file
# with the same name, the old file will neither get removed nor truncated.
# Upload will take place in a temporary file and once the upload is complete,
# the switch to the new version will be atomic. For instance, when a large PHP
# script is being uploaded, the web server will still serve the old version and
# immediatly switch to the new one as soon as the full file will have been
# transfered. This option is incompatible with virtual quotas.

# NoTruncate               yes



# This option can accept three values :
# 0 : disable SSL/TLS encryption layer (default).
# 1 : accept both traditional and encrypted sessions.
# 2 : refuse connections that don't use SSL/TLS security mechanisms,
#     including anonymous sessions.
# Do _not_ uncomment this blindly. Be sure that :
# 1) Your server has been compiled with SSL/TLS support (--with-tls),
# 2) A valid certificate is in place,
# 3) Only compatible clients will log in.

# TLS                      1



# Listen only to IPv4 addresses in standalone mode (ie. disable IPv6)
# By default, both IPv4 and IPv6 are enabled.

# IPV4Only                 yes



# Listen only to IPv6 addresses in standalone mode (ie. disable IPv4)
# By default, both IPv4 and IPv6 are enabled.

# IPV6Only                 yes

# UTF-8 support for file names (RFC 2640)
# Define charset of the server filesystem and optionnally the default charset
# for remote clients if they don't use UTF-8.
# Works only if pure-ftpd has been compiled with --with-rfc2640

# FileSystemCharset	big5
# ClientCharset		big5

pureftpd-pgsql.conf

Code:
PGSQLServer     localhost
PGSQLPort       5432
PGSQLUser       pureftpd
PGSQLPassword   passwort_von_pureftpd
PGSQLDatabase   pureftpd_db
PGSQLCrypt      clear
PGSQLGetPW      SELECT "Password" FROM "users" WHERE "User"='\L'
PGSQLGetUID     SELECT "Uid" FROM "users" WHERE "User"='\L'
PGSQLGetGID     SELECT "Gid" FROM "users" WHERE "User"='\L'
PGSQLGetDir     SELECT "Dir" FROM "users" WHERE "User"='\L'
*COMMENT*: PGSQLCrypt wird noch umgestellt wenn es dann mal funktioniert.

Starte ich pure-ftpd und versuche mich mit dem User welcher in der DB eingetragen ist einzuloggen (ftp localhost) sieht das so aus:
Code:
freewilly:~ # ftp localhost
Trying 127.0.0.1...
Connected to localhost.
220-Welcome to Pure-FTPd.
220-You are user number 1 of 10 allowed.
220-This is a private system - No anonymous login
220-IPv6 connections are also welcome on this server.
220 You will be disconnected after 15 minutes of inactivity.
Name (localhost:skitch): ftptest
331 User ftptest OK. Password required
Password:
421 Service not available, remote server has closed connection.
ftp: Login failed.
ftp>

Dabei kommt folgendes in den Postgre Logs:

Code:
2007-12-29 13:22:05 CET pureftpd_db pureftpd LOG:  konnte nicht mit Ident-Server auf Adresse »127.0.0.1«, Port 113 verbinden: Verbindungsaufbau
 abgelehnt
2007-12-29 13:22:05 CET pureftpd_db pureftpd FATAL:  Ident-Authentifizierung für Benutzer »pureftpd« fehlgeschlagen

Suche ich nach diesem Fehler im Netz kommt das meine config in der pg_hba.conf nicht stimmt. Habe schon einiges ausprobiert aber es will nicht. Dabei bin ich der Ansicht das es mit dem Standard von Local funktionieren sollte. (http://www.postgresql.org/docs/8.2/interactive/auth-pg-hba-conf.html)
pg_hba.conf
Code:
# TYPE  DATABASE    USER        CIDR-ADDRESS          METHOD

# "local" is for Unix domain socket connections only
local   all         all                               ident sameuser
# IPv4 local connections:
host    all         all         127.0.0.1/32          ident sameuser
# IPv6 local connections:
host    all         all         ::1/128               ident sameuser
#Externe Verbindung über Inet
host    all     postgres        0.0.0.0/0               md5

Habe ich hier eine falsche Überlegung gemacht? Weiss einer was ich vielleicht übersehen hab oder was geändert werden muss damit dies funktioniert?

Greez Style
 
Hi,

1. hast du das Passwort verschlüsselt in Postgresql als du den User angelegt hast?
2. hast du mit psql eine Verbindung von der Shell aufbauen können?
3. liess dir mal die Doku zu pg_hba.conf durch.
4. probier in der pg_hba.conf für die host einträge md5 aus anstatt ident und sameuser.

Mfg Frank
 
Hi

Also mal deine Anregungen durchgegangen und hier die resultate!

1. Nein, da ich ja momentan in der config cleartext angegeben habe. Wenn alles funktioniert werde ich dann auf md5 umstellen und die PW's so in der DB abspeichern.
2. Da kommt nichts. Also wenn ich das vom Localhost aus mache. Übers Netz gehts. (PS: Habe den User absichtlich geändert. Nicht dies als Fehler angesehen wird!)
Wenn ich die host einträge in der pg_hba.conf von ident sameuser auf md5 ändere geht es nicht. Auch alles auf Trust bringt auch keine Ergebnisse.
Code:
pureftpd_postgres@freewilly:/etc/apache2> psql pureftpd_db
Dies ist psql 8.1.5 (Server 8.1.9), das interaktive PostgreSQL-Terminal.

Geben Sie ein:  \copyright für Urheberrechtsinformationen
                \h für Hilfe über SQL-Anweisungen
                \? für Hilfe über interne Anweisungen
                \g oder Semikolon, um eine Anfrage auszuführen
                \q um zu beenden

pureftpd_db=# SELECT * FROM users
pureftpd_db-#
3. Irgendwas versteh ich da wohl falsch denn ich kann das Ding jetzt dann auswendig aufsagen aber ich druck es mal aus und geh mit dem Leuchtstift dahinter.
4. siehe Punkt 2.
 
Was passiert, wenn nach dem Select... noch ein ; eingegeben wird ? - Da psql seine
shell zeigt, sollte es nämlich funktionieren !
 

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