Using radiusd: FreeRADIUS Version 0.5, for host i686-pc-linux-gnu, built on
Jun 14 2002 at 10:26:10
If I send a packet with both the MS-CHAP-Challenge & MS-CHAP-Response I get
a Segmentation fault. If I don't send the MS-CHAP-Response, just the
MS-CHAP-Challenge the server runs, but of course complains about the
missing LM/NT password.
As you can see from the following output 'mschap' is not run during
authorization - it dies after 'files'. I've tried pointing it to the SAMBA
password file but it makes no difference.
Here's the authentication when there's no MS-CHAP-Response - looks correct.
Listening on IP address *, ports 1812/udp and 1813/udp, with proxy on 1814/udp.
Ready to process requests.
rad_recv: Access-Request packet from host 192.168.1.137:1339, id=12, length=84
NAS-IP-Address = 127.0.0.1
NAS-Identifier = "radtest"
NAS-Port-Id = 1
Acct-Tunnel-Client-Endpoint = "\000149.225.44.2"
User-Name = "michael"
Password = "\373\366 \363\246o\021\001\325k\276\320\013\336\322\333"
modcall: entering group authorize
modcall[authorize]: module "preprocess" returns ok
rlm_counter: Entering module authorize code
rlm_counter: Could not find Check item value pair
modcall[authorize]: module "counter" returns noop
modcall[authorize]: module "suffix" returns ok
users: Matched michael at 38
modcall[authorize]: module "files" returns ok
modcall[authorize]: module "mschap" returns noop
modcall: group authorize returns ok
rad_check_password: Found Auth-Type MS-CHAP
auth: type "MS-CHAP"
modcall: entering group authenticate
Looking for LM password.
Looking for NT password.
rlm_mschap: No LM/NT password configured. Check authorization.
modcall[authenticate]: module "mschap" returns invalid
modcall: group authenticate returns invalid
auth: Failed to validate the user.
Login incorrect: [michael] (from nas UNKNOWN-NAS port 1)
Sending Access-Reject of id 12 to 192.168.1.137:1339
Finished request 0
Here's what happens if the MS-CHAP-Response is present (full debug dump):
[root@tb6 michael]# /usr/local/sbin/radiusd -xx -s
Starting - reading configuration files ...
reread_config: reading radiusd.conf
Config: including file: /etc/raddb/proxy.conf
Config: including file: /etc/raddb/clients.conf
Config: including file: /etc/raddb/snmp.conf
Config: including file: /etc/raddb/sql.conf
main: prefix = "/usr/local"
main: localstatedir = "/usr/local/var"
main: logdir = "/usr/local/var/log/radius"
main: libdir = "/usr/local/lib"
main: radacctdir = "/usr/local/var/log/radius/radacct"
main: hostname_lookups = no
read_config_files: reading dictionary
read_config_files: reading clients
read_config_files: reading realms
read_config_files: reading naslist
main: max_request_time = 30
main: cleanup_delay = 5
main: max_requests = 256
main: delete_blocked_requests = 0
main: port = 0
main: allow_core_dumps = no
main: log_stripped_names = no
main: log_auth = yes
main: log_auth_badpass = no
main: log_auth_goodpass = no
main: pidfile = "/usr/local/var/run/radiusd.pid"
main: user = "root"
main: group = "root"
main: usercollide = no
main: lower_user = "no"
main: lower_pass = "no"
main: nospace_user = "no"
main: nospace_pass = "no"
main: proxy_requests = yes
proxy: retry_delay = 5
proxy: retry_count = 3
proxy: synchronous = no
proxy: default_fallback = yes
proxy: dead_time = 120
security: max_attributes = 200
security: reject_delay = 0
main: debug_level = 0
read_config_files: entering modules setup
Module: Library search path is /usr/local/lib
Module: Loaded System
unix: cache = yes
unix: passwd = "/etc/passwd"
unix: shadow = "/etc/shadow"
unix: group = "/etc/group"
unix: radwtmp = "/usr/local/var/log/radius/radwtmp"
unix: usegroup = no
unix: cache_reload = 600
HASH: Reinitializing hash structures and lists for caching...
...
HASH: Stored 34 entries from /etc/passwd
HASH: Stored 47 entries from /etc/group
Module: Instantiated unix (unix)
Module: Loaded MS-CHAP
mschap: ignore_password = no
mschap: use_mppe = no
mschap: require_encryption = no
mschap: require_strong = no
mschap: passwd = "(null)"
mschap: authtype = "MS-CHAP"
Module: Instantiated mschap (mschap)
Module: Loaded preprocess
preprocess: huntgroups = "/etc/raddb/huntgroups"
preprocess: hints = "/etc/raddb/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 Counter
counter: filename = "/etc/raddb/db.counter"
counter: key = "User-Name"
counter: reset = "daily"
counter: count-attribute = "Acct-Session-Time"
counter: counter-name = "Daily-Session-Time"
counter: check-name = "Max-Daily-Session"
counter: allowed-servicetype = "Framed-User"
counter: cache-size = 5000
rlm_counter: Counter attribute Daily-Session-Time is number 1145
rlm_counter: Current Time: 1024064994, Next reset 1024113600
Module: Instantiated counter (counter)
Module: Loaded realm
realm: format = "suffix"
realm: delimiter = "@"
Module: Instantiated realm (suffix)
Module: Loaded files
files: usersfile = "/etc/raddb/users"
files: acctusersfile = "/etc/raddb/acct_users"
files: compat = "no"
Module: Instantiated files (files)
Module: Loaded detail
detail: detailfile =
"/usr/local/var/log/radius/radacct/%{Client-IP-Address}/detail"
detail: detailperm = 384
detail: dirperm = 493
Module: Instantiated detail (detail)
Module: Loaded radutmp
radutmp: filename = "/usr/local/var/log/radius/radutmp"
radutmp: username = "%{User-Name}"
radutmp: perm = 384
radutmp: callerid = yes
Module: Instantiated radutmp (radutmp)
Listening on IP address *, ports 1812/udp and 1813/udp, with proxy on 1814/udp.
Ready to process requests.
rad_recv: Access-Request packet from host 192.168.1.137:1325, id=10, length=136
NAS-IP-Address = 127.0.0.1
NAS-Identifier = "radtest"
NAS-Port-Id = 1
MS-CHAP-Challenge = 0x827d8a93f0f874dc
MS-CHAP-Response =
0x640220db4e865aeb78a1e0b5a1fd77c8938bf8b0f66659e2767dad76c2c8c842d03b1cc1965e22726dbfeef095e2a00d2be5
User-Name = "michael"
Password = "J\210"\371JR^\202F\204:\225\242lt\321"
modcall: entering group authorize
modcall[authorize]: module "preprocess" returns ok
rlm_counter: Entering module authorize code
rlm_counter: Could not find Check item value pair
modcall[authorize]: module "counter" returns noop
modcall[authorize]: module "suffix" returns ok
users: Matched michael at 38
modcall[authorize]: module "files" returns ok
Segmentation fault
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