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FreeRADIUS / freeradius-server

FreeRADIUS - A multi-protocol policy server.
http://freeradius.org
GNU General Public License v2.0
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[defect]: radtest coredump with mschap (3.0.26git, openssl3) #4403

Closed panlinux closed 2 years ago

panlinux commented 2 years ago

What type of defect/bug is this?

Crash or memory corruption (segv, abort, etc...)

How can the issue be reproduced?

I verified the following combinations:

I'll attempt to get a better backtrace next by installing debug symbols, so far I have this only:

(gdb) bt
#0  0x0000000000000000 in ?? ()
#1  0x00007ffff7f8fe0e in fr_md4_calc () from /usr/lib/freeradius/libfreeradius-radius.so
#2  0x000055555555abfa in mschap_ntpwdhash (out=out@entry=0x7fffffffe170 "\200\311\365\367\377\177", password=password@entry=0x55555570dc10 "hello") at src/modules/rlm_mschap/mschap.c:60
#3  0x000055555555895d in mschapv1_encode (password=0x55555570dc10 "hello", request=0x55555556b898, packet=<optimized out>) at src/main/radclient.c:195
#4  send_one_packet (request=0x55555556b750) at src/main/radclient.c:916
#5  main (argc=<optimized out>, argv=<optimized out>) at src/main/radclient.c:1548

Log output from the FreeRADIUS daemon

FreeRADIUS Version 3.0.26
Copyright (C) 1999-2021 The FreeRADIUS server project and contributors
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE
You may redistribute copies of FreeRADIUS under the terms of the
GNU General Public License
For more information about these matters, see the file named COPYRIGHT
Starting - reading configuration files ...
including dictionary file /usr/share/freeradius/dictionary
including dictionary file /usr/share/freeradius/dictionary.dhcp
including dictionary file /usr/share/freeradius/dictionary.vqp
including dictionary file /etc/freeradius/3.0/dictionary
including configuration file /etc/freeradius/3.0/radiusd.conf
including configuration file /etc/freeradius/3.0/proxy.conf
including configuration file /etc/freeradius/3.0/clients.conf
including files in directory /etc/freeradius/3.0/mods-enabled/
including configuration file /etc/freeradius/3.0/mods-enabled/digest
including configuration file /etc/freeradius/3.0/mods-enabled/preprocess
including configuration file /etc/freeradius/3.0/mods-enabled/cache_eap
including configuration file /etc/freeradius/3.0/mods-enabled/pap
including configuration file /etc/freeradius/3.0/mods-enabled/exec
including configuration file /etc/freeradius/3.0/mods-enabled/attr_filter
including configuration file /etc/freeradius/3.0/mods-enabled/expiration
including configuration file /etc/freeradius/3.0/mods-enabled/dynamic_clients
including configuration file /etc/freeradius/3.0/mods-enabled/unix
including configuration file /etc/freeradius/3.0/mods-enabled/mschap
including configuration file /etc/freeradius/3.0/mods-enabled/radutmp
including configuration file /etc/freeradius/3.0/mods-enabled/eap
including configuration file /etc/freeradius/3.0/mods-enabled/detail
including configuration file /etc/freeradius/3.0/mods-enabled/linelog
including configuration file /etc/freeradius/3.0/mods-enabled/chap
including configuration file /etc/freeradius/3.0/mods-enabled/unpack
including configuration file /etc/freeradius/3.0/mods-enabled/ntlm_auth
including configuration file /etc/freeradius/3.0/mods-enabled/expr
including configuration file /etc/freeradius/3.0/mods-enabled/detail.log
including configuration file /etc/freeradius/3.0/mods-enabled/realm
including configuration file /etc/freeradius/3.0/mods-enabled/files
including configuration file /etc/freeradius/3.0/mods-enabled/soh
including configuration file /etc/freeradius/3.0/mods-enabled/utf8
including configuration file /etc/freeradius/3.0/mods-enabled/dhcp
including configuration file /etc/freeradius/3.0/mods-enabled/logintime
including configuration file /etc/freeradius/3.0/mods-enabled/passwd
including configuration file /etc/freeradius/3.0/mods-enabled/replicate
including configuration file /etc/freeradius/3.0/mods-enabled/echo
including configuration file /etc/freeradius/3.0/mods-enabled/sradutmp
including configuration file /etc/freeradius/3.0/mods-enabled/always
including files in directory /etc/freeradius/3.0/policy.d/
including configuration file /etc/freeradius/3.0/policy.d/canonicalization
including configuration file /etc/freeradius/3.0/policy.d/dhcp
including configuration file /etc/freeradius/3.0/policy.d/abfab-tr
including configuration file /etc/freeradius/3.0/policy.d/operator-name
including configuration file /etc/freeradius/3.0/policy.d/rfc7542
including configuration file /etc/freeradius/3.0/policy.d/debug
including configuration file /etc/freeradius/3.0/policy.d/accounting
including configuration file /etc/freeradius/3.0/policy.d/cui
including configuration file /etc/freeradius/3.0/policy.d/filter
including configuration file /etc/freeradius/3.0/policy.d/moonshot-targeted-ids
including configuration file /etc/freeradius/3.0/policy.d/eap
including configuration file /etc/freeradius/3.0/policy.d/control
including files in directory /etc/freeradius/3.0/sites-enabled/
including configuration file /etc/freeradius/3.0/sites-enabled/default
including configuration file /etc/freeradius/3.0/sites-enabled/inner-tunnel
main {
 security {
    user = "freerad"
    group = "freerad"
    allow_core_dumps = no
 }
    name = "freeradius"
    prefix = "/usr"
    localstatedir = "/var"
    logdir = "/var/log/freeradius"
    run_dir = "/var/run/freeradius"
}
main {
    name = "freeradius"
    prefix = "/usr"
    localstatedir = "/var"
    sbindir = "/usr/sbin"
    logdir = "/var/log/freeradius"
    run_dir = "/var/run/freeradius"
    libdir = "/usr/lib/freeradius"
    radacctdir = "/var/log/freeradius/radacct"
    hostname_lookups = no
    max_request_time = 30
    cleanup_delay = 5
    max_requests = 16384
    postauth_client_lost = no
    pidfile = "/var/run/freeradius/freeradius.pid"
    checkrad = "/usr/sbin/checkrad"
    debug_level = 0
    proxy_requests = yes
 log {
    stripped_names = no
    auth = no
    auth_badpass = no
    auth_goodpass = no
    colourise = yes
    msg_denied = "You are already logged in - access denied"
 }
 resources {
 }
 security {
    max_attributes = 200
    reject_delay = 1.000000
    status_server = yes
 }
}
radiusd: #### Loading Realms and Home Servers ####
 proxy server {
    retry_delay = 5
    retry_count = 3
    default_fallback = no
    dead_time = 120
    wake_all_if_all_dead = no
 }
 home_server localhost {
    ipaddr = 127.0.0.1
    port = 1812
    type = "auth"
    secret = <<< secret >>>
    response_window = 20.000000
    response_timeouts = 1
    max_outstanding = 65536
    zombie_period = 40
    status_check = "status-server"
    ping_interval = 30
    check_interval = 30
    check_timeout = 4
    num_answers_to_alive = 3
    revive_interval = 120
  limit {
    max_connections = 16
    max_requests = 0
    lifetime = 0
    idle_timeout = 0
  }
  coa {
    irt = 2
    mrt = 16
    mrc = 5
    mrd = 30
  }
 }
 home_server_pool my_auth_failover {
    type = fail-over
    home_server = localhost
 }
 realm example.com {
    auth_pool = my_auth_failover
 }
 realm LOCAL {
 }
radiusd: #### Loading Clients ####
 client localhost {
    ipaddr = 127.0.0.1
    require_message_authenticator = no
    secret = <<< secret >>>
    nas_type = "other"
    proto = "*"
  limit {
    max_connections = 16
    lifetime = 0
    idle_timeout = 30
  }
 }
 client localhost_ipv6 {
    ipv6addr = ::1
    require_message_authenticator = no
    secret = <<< secret >>>
  limit {
    max_connections = 16
    lifetime = 0
    idle_timeout = 30
  }
 }
Debugger not attached
systemd watchdog is disabled
 # Creating Auth-Type = mschap
 # Creating Auth-Type = digest
 # Creating Auth-Type = eap
 # Creating Auth-Type = PAP
 # Creating Auth-Type = CHAP
 # Creating Auth-Type = MS-CHAP
 # Creating Autz-Type = New-TLS-Connection
radiusd: #### Instantiating modules ####
 modules {
  # Loaded module rlm_digest
  # Loading module "digest" from file /etc/freeradius/3.0/mods-enabled/digest
  # Loaded module rlm_preprocess
  # Loading module "preprocess" from file /etc/freeradius/3.0/mods-enabled/preprocess
  preprocess {
    huntgroups = "/etc/freeradius/3.0/mods-config/preprocess/huntgroups"
    hints = "/etc/freeradius/3.0/mods-config/preprocess/hints"
    with_ascend_hack = no
    ascend_channels_per_line = 23
    with_ntdomain_hack = no
    with_specialix_jetstream_hack = no
    with_cisco_vsa_hack = no
    with_alvarion_vsa_hack = no
  }
  # Loaded module rlm_cache
  # Loading module "cache_eap" from file /etc/freeradius/3.0/mods-enabled/cache_eap
  cache cache_eap {
    driver = "rlm_cache_rbtree"
    key = "%{%{control:State}:-%{%{reply:State}:-%{State}}}"
    ttl = 15
    max_entries = 0
    epoch = 0
    add_stats = no
  }
  # Loaded module rlm_pap
  # Loading module "pap" from file /etc/freeradius/3.0/mods-enabled/pap
  pap {
    normalise = yes
  }
  # Loaded module rlm_exec
  # Loading module "exec" from file /etc/freeradius/3.0/mods-enabled/exec
  exec {
    wait = no
    input_pairs = "request"
    shell_escape = yes
    timeout = 10
  }
  # Loaded module rlm_attr_filter
  # Loading module "attr_filter.post-proxy" from file /etc/freeradius/3.0/mods-enabled/attr_filter
  attr_filter attr_filter.post-proxy {
    filename = "/etc/freeradius/3.0/mods-config/attr_filter/post-proxy"
    key = "%{Realm}"
    relaxed = no
  }
  # Loading module "attr_filter.pre-proxy" from file /etc/freeradius/3.0/mods-enabled/attr_filter
  attr_filter attr_filter.pre-proxy {
    filename = "/etc/freeradius/3.0/mods-config/attr_filter/pre-proxy"
    key = "%{Realm}"
    relaxed = no
  }
  # Loading module "attr_filter.access_reject" from file /etc/freeradius/3.0/mods-enabled/attr_filter
  attr_filter attr_filter.access_reject {
    filename = "/etc/freeradius/3.0/mods-config/attr_filter/access_reject"
    key = "%{User-Name}"
    relaxed = no
  }
  # Loading module "attr_filter.access_challenge" from file /etc/freeradius/3.0/mods-enabled/attr_filter
  attr_filter attr_filter.access_challenge {
    filename = "/etc/freeradius/3.0/mods-config/attr_filter/access_challenge"
    key = "%{User-Name}"
    relaxed = no
  }
  # Loading module "attr_filter.accounting_response" from file /etc/freeradius/3.0/mods-enabled/attr_filter
  attr_filter attr_filter.accounting_response {
    filename = "/etc/freeradius/3.0/mods-config/attr_filter/accounting_response"
    key = "%{User-Name}"
    relaxed = no
  }
  # Loading module "attr_filter.coa" from file /etc/freeradius/3.0/mods-enabled/attr_filter
  attr_filter attr_filter.coa {
    filename = "/etc/freeradius/3.0/mods-config/attr_filter/coa"
    key = "%{User-Name}"
    relaxed = no
  }
  # Loaded module rlm_expiration
  # Loading module "expiration" from file /etc/freeradius/3.0/mods-enabled/expiration
  # Loaded module rlm_dynamic_clients
  # Loading module "dynamic_clients" from file /etc/freeradius/3.0/mods-enabled/dynamic_clients
  # Loaded module rlm_unix
  # Loading module "unix" from file /etc/freeradius/3.0/mods-enabled/unix
  unix {
    radwtmp = "/var/log/freeradius/radwtmp"
  }
Creating attribute Unix-Group
  # Loaded module rlm_mschap
  # Loading module "mschap" from file /etc/freeradius/3.0/mods-enabled/mschap
  mschap {
    use_mppe = yes
    require_encryption = no
    require_strong = no
    with_ntdomain_hack = yes
   passchange {
   }
    allow_retry = yes
    winbind_retry_with_normalised_username = no
  }
  # Loaded module rlm_radutmp
  # Loading module "radutmp" from file /etc/freeradius/3.0/mods-enabled/radutmp
  radutmp {
    filename = "/var/log/freeradius/radutmp"
    username = "%{User-Name}"
    case_sensitive = yes
    check_with_nas = yes
    permissions = 384
    caller_id = yes
  }
  # Loaded module rlm_eap
  # Loading module "eap" from file /etc/freeradius/3.0/mods-enabled/eap
  eap {
    default_eap_type = "md5"
    timer_expire = 60
    ignore_unknown_eap_types = no
    cisco_accounting_username_bug = no
    max_sessions = 16384
  }
  # Loaded module rlm_detail
  # Loading module "detail" from file /etc/freeradius/3.0/mods-enabled/detail
  detail {
    filename = "/var/log/freeradius/radacct/%{%{Packet-Src-IP-Address}:-%{Packet-Src-IPv6-Address}}/detail-%Y%m%d"
    header = "%t"
    permissions = 384
    locking = no
    escape_filenames = no
    log_packet_header = no
  }
  # Loaded module rlm_linelog
  # Loading module "linelog" from file /etc/freeradius/3.0/mods-enabled/linelog
  linelog {
    filename = "/var/log/freeradius/linelog"
    escape_filenames = no
    syslog_severity = "info"
    permissions = 384
    format = "This is a log message for %{User-Name}"
    reference = "messages.%{%{reply:Packet-Type}:-default}"
  }
  # Loading module "log_accounting" from file /etc/freeradius/3.0/mods-enabled/linelog
  linelog log_accounting {
    filename = "/var/log/freeradius/linelog-accounting"
    escape_filenames = no
    syslog_severity = "info"
    permissions = 384
    format = ""
    reference = "Accounting-Request.%{%{Acct-Status-Type}:-unknown}"
  }
  # Loaded module rlm_chap
  # Loading module "chap" from file /etc/freeradius/3.0/mods-enabled/chap
  # Loaded module rlm_unpack
  # Loading module "unpack" from file /etc/freeradius/3.0/mods-enabled/unpack
  # Loading module "ntlm_auth" from file /etc/freeradius/3.0/mods-enabled/ntlm_auth
  exec ntlm_auth {
    wait = yes
    program = "/path/to/ntlm_auth --request-nt-key --domain=MYDOMAIN --username=%{mschap:User-Name} --password=%{User-Password}"
    shell_escape = yes
  }
  # Loaded module rlm_expr
  # Loading module "expr" from file /etc/freeradius/3.0/mods-enabled/expr
  expr {
    safe_characters = "@abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.-_: /äéöüàâæçèéêëîïôœùûüaÿÄÉÖÜßÀÂÆÇÈÉÊËÎÏÔŒÙÛÜŸ"
  }
  # Loading module "auth_log" from file /etc/freeradius/3.0/mods-enabled/detail.log
  detail auth_log {
    filename = "/var/log/freeradius/radacct/%{%{Packet-Src-IP-Address}:-%{Packet-Src-IPv6-Address}}/auth-detail-%Y%m%d"
    header = "%t"
    permissions = 384
    locking = no
    escape_filenames = no
    log_packet_header = no
  }
  # Loading module "reply_log" from file /etc/freeradius/3.0/mods-enabled/detail.log
  detail reply_log {
    filename = "/var/log/freeradius/radacct/%{%{Packet-Src-IP-Address}:-%{Packet-Src-IPv6-Address}}/reply-detail-%Y%m%d"
    header = "%t"
    permissions = 384
    locking = no
    escape_filenames = no
    log_packet_header = no
  }
  # Loading module "pre_proxy_log" from file /etc/freeradius/3.0/mods-enabled/detail.log
  detail pre_proxy_log {
    filename = "/var/log/freeradius/radacct/%{%{Packet-Src-IP-Address}:-%{Packet-Src-IPv6-Address}}/pre-proxy-detail-%Y%m%d"
    header = "%t"
    permissions = 384
    locking = no
    escape_filenames = no
    log_packet_header = no
  }
  # Loading module "post_proxy_log" from file /etc/freeradius/3.0/mods-enabled/detail.log
  detail post_proxy_log {
    filename = "/var/log/freeradius/radacct/%{%{Packet-Src-IP-Address}:-%{Packet-Src-IPv6-Address}}/post-proxy-detail-%Y%m%d"
    header = "%t"
    permissions = 384
    locking = no
    escape_filenames = no
    log_packet_header = no
  }
  # Loaded module rlm_realm
  # Loading module "IPASS" from file /etc/freeradius/3.0/mods-enabled/realm
  realm IPASS {
    format = "prefix"
    delimiter = "/"
    ignore_default = no
    ignore_null = no
  }
  # Loading module "suffix" from file /etc/freeradius/3.0/mods-enabled/realm
  realm suffix {
    format = "suffix"
    delimiter = "@"
    ignore_default = no
    ignore_null = no
  }
  # Loading module "bangpath" from file /etc/freeradius/3.0/mods-enabled/realm
  realm bangpath {
    format = "prefix"
    delimiter = "!"
    ignore_default = no
    ignore_null = no
  }
  # Loading module "realmpercent" from file /etc/freeradius/3.0/mods-enabled/realm
  realm realmpercent {
    format = "suffix"
    delimiter = "%"
    ignore_default = no
    ignore_null = no
  }
  # Loading module "ntdomain" from file /etc/freeradius/3.0/mods-enabled/realm
  realm ntdomain {
    format = "prefix"
    delimiter = "\\"
    ignore_default = no
    ignore_null = no
  }
  # Loaded module rlm_files
  # Loading module "files" from file /etc/freeradius/3.0/mods-enabled/files
  files {
    filename = "/etc/freeradius/3.0/mods-config/files/authorize"
    acctusersfile = "/etc/freeradius/3.0/mods-config/files/accounting"
    preproxy_usersfile = "/etc/freeradius/3.0/mods-config/files/pre-proxy"
  }
  # Loaded module rlm_soh
  # Loading module "soh" from file /etc/freeradius/3.0/mods-enabled/soh
  soh {
    dhcp = yes
  }
  # Loaded module rlm_utf8
  # Loading module "utf8" from file /etc/freeradius/3.0/mods-enabled/utf8
  # Loaded module rlm_dhcp
  # Loading module "dhcp" from file /etc/freeradius/3.0/mods-enabled/dhcp
  # Loaded module rlm_logintime
  # Loading module "logintime" from file /etc/freeradius/3.0/mods-enabled/logintime
  logintime {
    minimum_timeout = 60
  }
  # Loaded module rlm_passwd
  # Loading module "etc_passwd" from file /etc/freeradius/3.0/mods-enabled/passwd
  passwd etc_passwd {
    filename = "/etc/passwd"
    format = "*User-Name:Crypt-Password:"
    delimiter = ":"
    ignore_nislike = no
    ignore_empty = yes
    allow_multiple_keys = no
    hash_size = 100
  }
  # Loaded module rlm_replicate
  # Loading module "replicate" from file /etc/freeradius/3.0/mods-enabled/replicate
  # Loading module "echo" from file /etc/freeradius/3.0/mods-enabled/echo
  exec echo {
    wait = yes
    program = "/bin/echo %{User-Name}"
    input_pairs = "request"
    output_pairs = "reply"
    shell_escape = yes
  }
  # Loading module "sradutmp" from file /etc/freeradius/3.0/mods-enabled/sradutmp
  radutmp sradutmp {
    filename = "/var/log/freeradius/sradutmp"
    username = "%{User-Name}"
    case_sensitive = yes
    check_with_nas = yes
    permissions = 420
    caller_id = no
  }
  # Loaded module rlm_always
  # Loading module "reject" from file /etc/freeradius/3.0/mods-enabled/always
  always reject {
    rcode = "reject"
    simulcount = 0
    mpp = no
  }
  # Loading module "fail" from file /etc/freeradius/3.0/mods-enabled/always
  always fail {
    rcode = "fail"
    simulcount = 0
    mpp = no
  }
  # Loading module "ok" from file /etc/freeradius/3.0/mods-enabled/always
  always ok {
    rcode = "ok"
    simulcount = 0
    mpp = no
  }
  # Loading module "handled" from file /etc/freeradius/3.0/mods-enabled/always
  always handled {
    rcode = "handled"
    simulcount = 0
    mpp = no
  }
  # Loading module "invalid" from file /etc/freeradius/3.0/mods-enabled/always
  always invalid {
    rcode = "invalid"
    simulcount = 0
    mpp = no
  }
  # Loading module "userlock" from file /etc/freeradius/3.0/mods-enabled/always
  always userlock {
    rcode = "userlock"
    simulcount = 0
    mpp = no
  }
  # Loading module "notfound" from file /etc/freeradius/3.0/mods-enabled/always
  always notfound {
    rcode = "notfound"
    simulcount = 0
    mpp = no
  }
  # Loading module "noop" from file /etc/freeradius/3.0/mods-enabled/always
  always noop {
    rcode = "noop"
    simulcount = 0
    mpp = no
  }
  # Loading module "updated" from file /etc/freeradius/3.0/mods-enabled/always
  always updated {
    rcode = "updated"
    simulcount = 0
    mpp = no
  }
  instantiate {
  }
  # Instantiating module "preprocess" from file /etc/freeradius/3.0/mods-enabled/preprocess
reading pairlist file /etc/freeradius/3.0/mods-config/preprocess/huntgroups
reading pairlist file /etc/freeradius/3.0/mods-config/preprocess/hints
  # Instantiating module "cache_eap" from file /etc/freeradius/3.0/mods-enabled/cache_eap
rlm_cache (cache_eap): Driver rlm_cache_rbtree (module rlm_cache_rbtree) loaded and linked
  # Instantiating module "pap" from file /etc/freeradius/3.0/mods-enabled/pap
  # Instantiating module "attr_filter.post-proxy" from file /etc/freeradius/3.0/mods-enabled/attr_filter
reading pairlist file /etc/freeradius/3.0/mods-config/attr_filter/post-proxy
  # Instantiating module "attr_filter.pre-proxy" from file /etc/freeradius/3.0/mods-enabled/attr_filter
reading pairlist file /etc/freeradius/3.0/mods-config/attr_filter/pre-proxy
  # Instantiating module "attr_filter.access_reject" from file /etc/freeradius/3.0/mods-enabled/attr_filter
reading pairlist file /etc/freeradius/3.0/mods-config/attr_filter/access_reject
  # Instantiating module "attr_filter.access_challenge" from file /etc/freeradius/3.0/mods-enabled/attr_filter
reading pairlist file /etc/freeradius/3.0/mods-config/attr_filter/access_challenge
  # Instantiating module "attr_filter.accounting_response" from file /etc/freeradius/3.0/mods-enabled/attr_filter
reading pairlist file /etc/freeradius/3.0/mods-config/attr_filter/accounting_response
  # Instantiating module "attr_filter.coa" from file /etc/freeradius/3.0/mods-enabled/attr_filter
reading pairlist file /etc/freeradius/3.0/mods-config/attr_filter/coa
  # Instantiating module "expiration" from file /etc/freeradius/3.0/mods-enabled/expiration
  # Instantiating module "mschap" from file /etc/freeradius/3.0/mods-enabled/mschap
rlm_mschap (mschap): using internal authentication
  # Instantiating module "eap" from file /etc/freeradius/3.0/mods-enabled/eap
   # Linked to sub-module rlm_eap_md5
   # Linked to sub-module rlm_eap_gtc
   gtc {
    challenge = "Password: "
    auth_type = "PAP"
   }
   # Linked to sub-module rlm_eap_tls
   tls {
    tls = "tls-common"
   }
   tls-config tls-common {
    verify_depth = 0
    ca_path = "/etc/freeradius/3.0/certs"
    pem_file_type = yes
    private_key_file = "/etc/ssl/private/ssl-cert-snakeoil.key"
    certificate_file = "/etc/ssl/certs/ssl-cert-snakeoil.pem"
    ca_file = "/etc/ssl/certs/ca-certificates.crt"
    private_key_password = <<< secret >>>
    fragment_size = 1024
    include_length = yes
    auto_chain = yes
    check_crl = no
    check_all_crl = no
    ca_path_reload_interval = 0
    cipher_list = "DEFAULT"
    cipher_server_preference = no
    reject_unknown_intermediate_ca = no
    ecdh_curve = ""
    tls_max_version = "1.2"
    tls_min_version = "1.2"
    cache {
        enable = no
        lifetime = 24
        max_entries = 255
    }
    verify {
        skip_if_ocsp_ok = no
    }
    ocsp {
        enable = no
        override_cert_url = yes
        url = "http://127.0.0.1/ocsp/"
        use_nonce = yes
        timeout = 0
        softfail = no
    }
   }
   # Linked to sub-module rlm_eap_ttls
   ttls {
    tls = "tls-common"
    default_eap_type = "md5"
    copy_request_to_tunnel = no
    use_tunneled_reply = no
    virtual_server = "inner-tunnel"
    include_length = yes
    require_client_cert = no
   }
tls: Using cached TLS configuration from previous invocation
   # Linked to sub-module rlm_eap_peap
   peap {
    tls = "tls-common"
    default_eap_type = "mschapv2"
    copy_request_to_tunnel = no
    use_tunneled_reply = no
    proxy_tunneled_request_as_eap = yes
    virtual_server = "inner-tunnel"
    soh = no
    require_client_cert = no
   }
tls: Using cached TLS configuration from previous invocation
   # Linked to sub-module rlm_eap_mschapv2
   mschapv2 {
    with_ntdomain_hack = no
    send_error = no
   }
  # Instantiating module "detail" from file /etc/freeradius/3.0/mods-enabled/detail
  # Instantiating module "linelog" from file /etc/freeradius/3.0/mods-enabled/linelog
  # Instantiating module "log_accounting" from file /etc/freeradius/3.0/mods-enabled/linelog
  # Instantiating module "auth_log" from file /etc/freeradius/3.0/mods-enabled/detail.log
rlm_detail (auth_log): 'User-Password' suppressed, will not appear in detail output
  # Instantiating module "reply_log" from file /etc/freeradius/3.0/mods-enabled/detail.log
  # Instantiating module "pre_proxy_log" from file /etc/freeradius/3.0/mods-enabled/detail.log
  # Instantiating module "post_proxy_log" from file /etc/freeradius/3.0/mods-enabled/detail.log
  # Instantiating module "IPASS" from file /etc/freeradius/3.0/mods-enabled/realm
  # Instantiating module "suffix" from file /etc/freeradius/3.0/mods-enabled/realm
  # Instantiating module "bangpath" from file /etc/freeradius/3.0/mods-enabled/realm
  # Instantiating module "realmpercent" from file /etc/freeradius/3.0/mods-enabled/realm
  # Instantiating module "ntdomain" from file /etc/freeradius/3.0/mods-enabled/realm
  # Instantiating module "files" from file /etc/freeradius/3.0/mods-enabled/files
reading pairlist file /etc/freeradius/3.0/mods-config/files/authorize
reading pairlist file /etc/freeradius/3.0/mods-config/files/accounting
reading pairlist file /etc/freeradius/3.0/mods-config/files/pre-proxy
  # Instantiating module "logintime" from file /etc/freeradius/3.0/mods-enabled/logintime
  # Instantiating module "etc_passwd" from file /etc/freeradius/3.0/mods-enabled/passwd
rlm_passwd: nfields: 3 keyfield 0(User-Name) listable: no
  # Instantiating module "reject" from file /etc/freeradius/3.0/mods-enabled/always
  # Instantiating module "fail" from file /etc/freeradius/3.0/mods-enabled/always
  # Instantiating module "ok" from file /etc/freeradius/3.0/mods-enabled/always
  # Instantiating module "handled" from file /etc/freeradius/3.0/mods-enabled/always
  # Instantiating module "invalid" from file /etc/freeradius/3.0/mods-enabled/always
  # Instantiating module "userlock" from file /etc/freeradius/3.0/mods-enabled/always
  # Instantiating module "notfound" from file /etc/freeradius/3.0/mods-enabled/always
  # Instantiating module "noop" from file /etc/freeradius/3.0/mods-enabled/always
  # Instantiating module "updated" from file /etc/freeradius/3.0/mods-enabled/always
 } # modules
radiusd: #### Loading Virtual Servers ####
server { # from file /etc/freeradius/3.0/radiusd.conf
} # server
server default { # from file /etc/freeradius/3.0/sites-enabled/default
 # Loading authenticate {...}
Compiling Auth-Type PAP for attr Auth-Type
Compiling Auth-Type CHAP for attr Auth-Type
Compiling Auth-Type MS-CHAP for attr Auth-Type
 # Loading authorize {...}
Ignoring "sql" (see raddb/mods-available/README.rst)
Ignoring "ldap" (see raddb/mods-available/README.rst)
Compiling Autz-Type New-TLS-Connection for attr Autz-Type
 # Loading preacct {...}
 # Loading accounting {...}
 # Loading post-proxy {...}
 # Loading post-auth {...}
Compiling Post-Auth-Type REJECT for attr Post-Auth-Type
Compiling Post-Auth-Type Challenge for attr Post-Auth-Type
Compiling Post-Auth-Type Client-Lost for attr Post-Auth-Type
} # server default
server inner-tunnel { # from file /etc/freeradius/3.0/sites-enabled/inner-tunnel
 # Loading authenticate {...}
Compiling Auth-Type PAP for attr Auth-Type
Compiling Auth-Type CHAP for attr Auth-Type
Compiling Auth-Type MS-CHAP for attr Auth-Type
 # Loading authorize {...}
 # Loading session {...}
 # Loading post-proxy {...}
 # Loading post-auth {...}
 # Skipping contents of 'if' as it is always 'false' -- /etc/freeradius/3.0/sites-enabled/inner-tunnel:336
Compiling Post-Auth-Type REJECT for attr Post-Auth-Type
} # server inner-tunnel
radiusd: #### Opening IP addresses and Ports ####
listen {
    type = "auth"
    ipaddr = *
    port = 0
   limit {
    max_connections = 16
    lifetime = 0
    idle_timeout = 30
   }
}
listen {
    type = "acct"
    ipaddr = *
    port = 0
   limit {
    max_connections = 16
    lifetime = 0
    idle_timeout = 30
   }
}
listen {
    type = "auth"
    ipv6addr = ::
    port = 0
   limit {
    max_connections = 16
    lifetime = 0
    idle_timeout = 30
   }
}
listen {
    type = "acct"
    ipv6addr = ::
    port = 0
   limit {
    max_connections = 16
    lifetime = 0
    idle_timeout = 30
   }
}
listen {
    type = "auth"
    ipaddr = 127.0.0.1
    port = 18120
}
Listening on auth address * port 1812 bound to server default
Listening on acct address * port 1813 bound to server default
Listening on auth address :: port 1812 bound to server default
Listening on acct address :: port 1813 bound to server default
Listening on auth address 127.0.0.1 port 18120 bound to server inner-tunnel
Listening on proxy address * port 36013
Listening on proxy address :: port 50745
Ready to process requests

Relevant log output from client utilities

root@j-freeradius-3026git:~# radtest -t mschap bob hello 127.0.0.1 0 testing123
Segmentation fault (core dumped)

Backtrace from LLDB or GDB

#0  0x0000000000000000 in ?? ()
No symbol table info available.
#1  0x00007ffff7f8fe0e in fr_md4_update (inlen=10, in=0x7fffffffdd40 "h", ctx=0x7fffffffdd00) at src/freeradius-devel/md4.h:110
No locals.
#2  fr_md4_calc (out=out@entry=0x7fffffffe0d0 "\200\311\365\367\377\177", in=in@entry=0x7fffffffdd40 "h", inlen=10) at src/lib/md4.c:29
        ctx = {ctx = 0x55555570ec10, md = 0x7ffff7cf8700, len = 16}
#3  0x000055555555abfa in mschap_ntpwdhash (out=out@entry=0x7fffffffe0d0 "\200\311\365\367\377\177", password=password@entry=0x55555570dc10 "hello") at src/modules/rlm_mschap/mschap.c:60
        len = <optimized out>
        ucs2_password = "h\000e\000l\000l\000o", '\000' <repeats 15 times>, "\324\346|,a\366\246k\027\000\000\000\000\000\000\000\260\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\t\000\000\000\062", '\000' <repeats 27 times>, "|\000\000\000w\000\000\000n\000\000\000[\000\000\000\340\254\365\367\377\177\000\000\200\254\365\367\377\177\000\000\200\254\365\367\377\177\000\000\000\000\000\000\000\000\000\000\300\000\000\000\000\000\000\000\a", '\000' <repeats 15 times>, "p\336\377\377\f\000\000\000\260", '\000' <repeats 15 times>, "\324\346|,a\366\246k\032\000\000\000\000\000\000\000"...
#4  0x000055555555895d in mschapv1_encode (password=0x55555570dc10 "hello", request=0x55555556b898, packet=<optimized out>) at src/main/radclient.c:195
        i = <optimized out>
        challenge = 0x55555570ddd0
        nthash = "\200\311\365\367\377\177\000\000\200\254\365\367\377\177\000"
        p = <optimized out>
        reply = <optimized out>
        i = <optimized out>
        p = <optimized out>
        challenge = <optimized out>
        reply = <optimized out>
        nthash = <optimized out>
#5  send_one_packet (request=0x55555556b750) at src/main/radclient.c:916
        vp = <optimized out>
        i = <optimized out>
        rcode = <optimized out>
        retry = <optimized out>
        i = <optimized out>
        rcode = <optimized out>
        mysockfd = <optimized out>
        vp = <optimized out>
        buffer = <optimized out>
        now = <optimized out>
#6  main (argc=<optimized out>, argv=<optimized out>) at src/main/radclient.c:1548
        n = <optimized out>
        next = <optimized out>
        filename = <optimized out>
        tv = <optimized out>
        c = <optimized out>
        radius_dir = <optimized out>
        dict_dir = <optimized out>
        filesecret = "\000\020\002\000\000\000\000\000\000\264w\266\264\b\236\305\000\200\000\000\000\000\000\000\200\254\365\367\377\177\000\000\200\002\000\000\000\000\000\000\230\377\377\377\377\377\377\377\002\000\000\000\000\000\000\000\016\000\000\000\000\000\000\200", '\000' <repeats 56 times>, "\060\000\000\000\000\000\000\000\340\254\365\367\377\177", '\000' <repeats 14 times>, "\003\000\000\000%\000\000\000\000\000\000\000\n\000\000\000\000\000\000\000)\000\000\000:\000\000\000\001", '\000' <repeats 23 times>...
        fp = <optimized out>
        do_summary = 0
        persec = 0
        parallel = 1
        this = 0x55555556b750
        force_af = <optimized out>
alandekok commented 2 years ago

OpenSSL now requires special initialization. They could have set predefined variables / functions to some value which gives a useful error. Instead, they just crash with a useless message.

panlinux commented 2 years ago

Works now, thanks again!