ntlm_auth is not used by mschap
robiwan at arcor.de
robiwan at arcor.de
Wed May 3 11:10:16 CEST 2006
Dear all,
I try to authenticate Radius-users against my Microsoft-2003-Server Active-Directory using the mschap-Module with ntlm_auth.
My Windows-Domain is "winlab" my username is "roka" and the Password is "Gerti1000".
The winbindd and therefore the ntlm_auth works properly as you can see:
Debian:~# /usr/bin/ntlm_auth --username=roka --password=Gerti1000 --domain=winlab
NT_STATUS_OK: Success (0x0)
Here is the mschap section of my /etc/freeradius/radiusd.conf:
----------snip radiusd.conf----------------------------
mschap {
authtype = MS-CHAP
use_mppe = yes
require_encryption = yes
require_strong = yes
with_ntdomain_hack = yes
ntlm_auth = "/usr/bin/ntlm_auth --request-nt-key --username=%{mschap:User-Name} --challenge=%{mschap:Challenge} --nt-response=%{mschap:NT-Response}"
}
authenticate {
Auth-Type PAP {
pap
}
Auth-Type CHAP {
chap
}
Auth-Type MS-CHAP {
mschap
}
unix
eap
----------snap radiusd.conf----------------------------
Here is my /etc/freeradius/users:
----------------snip users-------------------------------------
hugo Auth-Type = Local, User-Password == "hugo01"
Tunnel-Type = VLAN,
Tunnel-Medium-Type = 6,
Tunnel-Private-Group-ID = 40
roka Auth-Type := MS-CHAP
Tunnel-Type = VLAN,
Tunnel-Medium-Type = 6,
Tunnel-Private-Group-ID = 40
DEFAULT Auth-Type := MS-CHAP
DEFAULT Service-Type == Framed-User
Framed-IP-Address = 255.255.255.254,
Framed-MTU = 576,
Service-Type = Framed-User,
Fall-Through = Yes
DEFAULT Framed-Protocol == PPP
Framed-Protocol = PPP,
Framed-Compression = Van-Jacobson-TCP-IP
DEFAULT Hint == "CSLIP"
Framed-Protocol = SLIP,
Framed-Compression = Van-Jacobson-TCP-IP
DEFAULT Hint == "SLIP"
Framed-Protocol = SLIP
----------------snap users.................
Here is the output when i start freeradius,
the ntlm_auth in the mschap-section is seen
Debian:/etc/freeradius# freeradius -sfxxyz -l stdout
Starting - reading configuration files ...
reread_config: reading radiusd.conf
Config: including file: /etc/freeradius/proxy.conf
Config: including file: /etc/freeradius/clients.conf
Config: including file: /etc/freeradius/snmp.conf
Config: including file: /etc/freeradius/eap.conf
Config: including file: /etc/freeradius/sql.conf
main: prefix = "/usr"
main: localstatedir = "/var"
main: logdir = "/var/log/freeradius"
main: libdir = "/usr/lib/freeradius"
main: radacctdir = "/var/log/freeradius/radacct"
main: hostname_lookups = no
main: max_request_time = 30
main: cleanup_delay = 5
main: max_requests = 1024
main: delete_blocked_requests = 0
main: port = 0
main: allow_core_dumps = no
main: log_stripped_names = no
main: log_file = "/var/log/freeradius/radius.log"
main: log_auth = yes
main: log_auth_badpass = yes
main: log_auth_goodpass = yes
main: pidfile = "/var/run/freeradius/freeradius.pid"
main: user = "freerad"
main: group = "freerad"
main: usercollide = no
main: lower_user = "no"
main: lower_pass = "no"
main: nospace_user = "no"
main: nospace_pass = "no"
main: checkrad = "/usr/sbin/checkrad"
main: proxy_requests = yes
proxy: retry_delay = 5
proxy: retry_count = 3
proxy: synchronous = no
proxy: default_fallback = yes
proxy: dead_time = 120
proxy: post_proxy_authorize = yes
proxy: wake_all_if_all_dead = no
security: max_attributes = 200
security: reject_delay = 1
security: status_server = no
main: debug_level = 0
read_config_files: reading dictionary
read_config_files: reading naslist
Using deprecated naslist file. Support for this will go away soon.
read_config_files: reading clients
read_config_files: reading realms
radiusd: entering modules setup
Module: Library search path is /usr/lib/freeradius
Module: Loaded exec
exec: wait = yes
exec: program = "(null)"
exec: input_pairs = "request"
exec: output_pairs = "(null)"
exec: packet_type = "(null)"
rlm_exec: Wait=yes but no output defined. Did you mean output=none?
Module: Instantiated exec (exec)
Module: Loaded expr
Module: Instantiated expr (expr)
Module: Loaded PAP
pap: encryption_scheme = "crypt"
Module: Instantiated pap (pap)
Module: Loaded CHAP
Module: Instantiated chap (chap)
Module: Loaded MS-CHAP
mschap: use_mppe = yes
mschap: require_encryption = yes
mschap: require_strong = yes
mschap: with_ntdomain_hack = yes
mschap: passwd = "(null)"
mschap: authtype = "MS-CHAP"
mschap: ntlm_auth = "/usr/bin/ntlm_auth --request-nt-key --username=%{mschap:User-Name} --challenge=%{mschap:Challenge} --nt-response=%{mschap:NT-Response}"
Module: Instantiated mschap (mschap)
Module: Loaded System
unix: cache = no
unix: passwd = "(null)"
unix: shadow = "/etc/shadow"
unix: group = "(null)"
unix: radwtmp = "/var/log/freeradius/radwtmp"
unix: usegroup = no
unix: cache_reload = 600
Module: Instantiated unix (unix)
Module: Loaded eap
eap: default_eap_type = "md5"
eap: timer_expire = 60
eap: ignore_unknown_eap_types = no
eap: cisco_accounting_username_bug = no
rlm_eap: Loaded and initialized type md5
rlm_eap: Loaded and initialized type leap
gtc: challenge = "Password: "
gtc: auth_type = "PAP"
rlm_eap: Loaded and initialized type gtc
mschapv2: with_ntdomain_hack = no
rlm_eap: Loaded and initialized type mschapv2
Module: Instantiated eap (eap)
Module: Loaded preprocess
preprocess: huntgroups = "/etc/freeradius/huntgroups"
preprocess: hints = "/etc/freeradius/hints"
preprocess: with_ascend_hack = no
preprocess: ascend_channels_per_line = 23
preprocess: with_ntdomain_hack = no
preprocess: with_specialix_jetstream_hack = no
preprocess: with_cisco_vsa_hack = no
Module: Instantiated preprocess (preprocess)
Module: Loaded realm
realm: format = "suffix"
realm: delimiter = "@"
realm: ignore_default = no
realm: ignore_null = no
Module: Instantiated realm (suffix)
Module: Loaded files
files: usersfile = "/etc/freeradius/users"
files: acctusersfile = "/etc/freeradius/acct_users"
files: preproxy_usersfile = "/etc/freeradius/preproxy_users"
files: compat = "no"
Module: Instantiated files (files)
Module: Loaded Acct-Unique-Session-Id
acct_unique: key = "User-Name, Acct-Session-Id, NAS-IP-Address, Client-IP-Address, NAS-Port"
Module: Instantiated acct_unique (acct_unique)
Module: Loaded detail
detail: detailfile = "/var/log/freeradius/radacct/%{Client-IP-Address}/detail-%Y%m%d"
detail: detailperm = 384
detail: dirperm = 493
detail: locking = no
Module: Instantiated detail (detail)
Module: Loaded radutmp
radutmp: filename = "/var/log/freeradius/radutmp"
radutmp: username = "%{User-Name}"
radutmp: case_sensitive = yes
radutmp: check_with_nas = yes
radutmp: perm = 384
radutmp: callerid = yes
Module: Instantiated radutmp (radutmp)
Listening on authentication *:1812
Listening on accounting *:1813
Listening on proxy *:1814
Ready to process requests.
Now i try to authenticate the user roka:
---------------------------------------------------
Debian:/tmp# radtest roka Gerti1000 localhost 1645 testing123
Sending Access-Request of id 116 to 127.0.0.1:1812
User-Name = "roka"
User-Password = "Gerti1000"
NAS-IP-Address = Debian
NAS-Port = 1645
rad_recv: Access-Reject packet from host 127.0.0.1:1812, id=116, length=20
And that is the output of my radiusd:
------------------------------------------------
rad_recv: Access-Request packet from host 127.0.0.1:33565, id=141, length=56
User-Name = "roka"
User-Password = "Gerti1000"
NAS-IP-Address = 255.255.255.255
NAS-Port = 1645
Processing the authorize section of radiusd.conf
modcall: entering group authorize for request 0
modcall[authorize]: module "preprocess" returns ok for request 0
modcall[authorize]: module "chap" returns noop for request 0
modcall[authorize]: module "mschap" returns noop for request 0
rlm_realm: No '@' in User-Name = "roka", looking up realm NULL
rlm_realm: No such realm "NULL"
modcall[authorize]: module "suffix" returns noop for request 0
rlm_eap: No EAP-Message, not doing EAP
modcall[authorize]: module "eap" returns noop for request 0
users: Matched entry roka at line 144
modcall[authorize]: module "files" returns ok for request 0
modcall: group authorize returns ok for request 0
auth: No authenticate method (Auth-Type) configuration found for the request: Rejecting the user
auth: Failed to validate the user.
Login incorrect: [roka/Gerti1000] (from client localhost port 1645)
Delaying request 0 for 1 seconds
Finished request 0
Going to the next request
--- Walking the entire request list ---
Waking up in 1 seconds...
--- Walking the entire request list ---
Waking up in 1 seconds...
--- Walking the entire request list ---
Sending Access-Reject of id 141 to 127.0.0.1:33565
Waking up in 4 seconds...
--- Walking the entire request list ---
Cleaning up request 0 ID 141 with timestamp 44586c93
Nothing to do. Sleeping until we see a request.
I can not see that the ntlm_auth is used anywhere.
I expect, that module mschap is calling the ntlm_auth, but it don't works
I tried in the /etc/freeradius/users the following lines:
roka Auth-Type := MSCHAP, MS-CHAP-USE-NTLM-Auth = 1
roka Auth-Type := MS-CHAP, MS-CHAP-USE-NTLM-Auth = yes
but nothing works.
Many thanks in advance for any suggestion
Robert
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