User /etc/shadow for Authentication

[Norman Zhang]

Dennis Skinner wrote:
> Make sure you are *only* using PAP.  CHAP encrypts the password over the
> wire and you cannot compare crypt to crypt.  One of them needs to be
> cleartext (this is a limitation of encryption, not FreeRADIUS).  See the
> table here:
> 
> http://deployingradius.com/documents/protocols/compatibility.html
> 
> (you are using Unix Crypt).


I changed

pap {
	encryption_scheme = clear  # was crypt
}

chap {
	authtype = pap    # was CHAP
}

pam {
	pam_auth = radiusd
}

unix {
	cache = no
	cache_reload = 600
	passwd = /etc/passwd
	shadow = /etc/shadow
	group = /etc/group
	radwtmp = ${logdir}/radwtmp
}

but I still cannot get in.

rad_recv: Access-Request packet from host 10.0.0.2:1645, id=27, length=79
         NAS-IP-Address = 10.0.0.2
         NAS-Port = 1
         NAS-Port-Type = Virtual
         User-Name = "tester"
         Calling-Station-Id = "10.0.0.1"
         User-Password = "testing123"
   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 = "tester", 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 DEFAULT at 152
   modcall[authorize]: module "files" returns ok for request 0
modcall: group authorize returns ok for request 0
   rad_check_password:  Found Auth-Type System
auth: type "System"
   Processing the authenticate section of radiusd.conf
modcall: entering group authenticate for request 0
   modcall[authenticate]: module "unix" returns ok for request 0
modcall: group authenticate returns ok for request 0
Login OK: [tester] (from client test-network port 1 cli 10.0.0.1)
Sending Access-Accept of id 27 to 10.0.0.2:1645
Finished request 0
Going to the next request

---

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/eap.conf
Config:   including file: /etc/raddb/sql.conf
  main: prefix = "/usr"
  main: localstatedir = "/var"
  main: logdir = "/var/log/radius"
  main: libdir = "/usr/lib"
  main: radacctdir = "/var/log/radius/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/radius/radius.log"
  main: log_auth = yes
  main: log_auth_badpass = no
  main: log_auth_goodpass = no
  main: pidfile = "/var/run/radiusd/radiusd.pid"
  main: user = "radiusd"
  main: group = "radiusd"
  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
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 = "clear"
Module: Instantiated pap (pap)
Module: Loaded CHAP
Module: Instantiated chap (chap)
Module: Loaded MS-CHAP
  mschap: use_mppe = yes
  mschap: require_encryption = no
  mschap: require_strong = no
  mschap: with_ntdomain_hack = no
  mschap: passwd = "(null)"
  mschap: authtype = "MS-CHAP"
  mschap: ntlm_auth = "(null)"
Module: Instantiated mschap (mschap)
Module: Loaded System
  unix: cache = no
  unix: passwd = "/etc/passwd"
  unix: shadow = "/etc/shadow"
  unix: group = "/etc/group"
  unix: radwtmp = "/var/log/radius/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/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 realm
  realm: format = "suffix"
  realm: delimiter = "@"
  realm: ignore_default = no
  realm: ignore_null = no
Module: Instantiated realm (suffix)
Module: Loaded files
  files: usersfile = "/etc/raddb/users"
  files: acctusersfile = "/etc/raddb/acct_users"
  files: preproxy_usersfile = "/etc/raddb/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/radius/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/radius/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.