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//usr/share/pam_pkcs11/pam_pkcs11.conf.example

#
# Configuration file for pam_pkcs11 module
#
# Version 0.4
# Author: Juan Antonio Martinez <jonsito@teleline.es>
#
pam_pkcs11 {
  # Allow empty passwords
  nullok = true;

# Enable debugging support.
  debug = true;

# Do not prompt the user for the passwords but take them from the
  # PAM_ items instead.
  use_first_pass = false;

# Do not prompt the user for the passwords unless PAM_(OLD)AUTHTOK
  # is unset.
  try_first_pass = false;

# Like try_first_pass, but fail if the new PAM_AUTHTOK has not been
  # previously set (intended for stacking password modules only).
  use_authtok = false;

# Filename of the PKCS #11 module. The default value is "default"
  use_pkcs11_module = opensc;

pkcs11_module opensc {
    module = /usr/lib/opensc-pkcs11.so;
    description = "OpenSC PKCS#11 module";
    # Slot-number to use. One for the first, two for the second and so
    # on. The default value is zero which means to use the first slot
    # with an available token.
    slot_num = 0;

# Path to the directory where the CA certificates are stored. The
    # directory must contain an openssl hash-link to each certificate.
    # The default value is /etc/pam_pkcs11/cacerts.
    ca_dir = /etc/pam_pkcs11/cacerts;
  
    # Path to the directory where the CRLs are stored. The directory
    # must contain an openssl hash-link to each CRL. The default value
    # is /etc/pam_pkcs11/crls.
    crl_dir = /etc/pam_pkcs11/crls;
  
    # Sets the CRL verification policy. None performs no verification
    # at all, online downloads the CRL form the location given by the
    # CRL distribution point extension of the certificate and offline
    # uses the locally stored CRLs. Auto is a combination of online and
    # offline; it first tries to download the CRL from a possibly
    # given CRL distribution point and if this fails, uses the local
    # CRLs. The default setting is none.
    # crl_policy={none, online, offline, auto}
    crl_policy = none;

}

# Default pkcs11 module
  pkcs11_module default {
    module = /usr/lib/pam_pkcs11/pkcs11_module.so;
    description = "Default pkcs#11 module";
    slot_num = 0;
    ca_dir = /etc/pam_pkcs11/cacerts;
    crl_dir = /etc/pam_pkcs11/crls;
    crl_policy = none;
  }

# Which mappers ( Cert to login ) to use?
  # you can use several mappers:
  #
  # subject - Cert Subject to login file based mapper
  # pwent   - CN to getpwent() login or gecos fields mapper
  # ldap    - LDAP mapper
  # opensc  - Search certificate in ${HOME}/.eid/authorized_certificates
  # openssh - Search certificate public key in ${HOME}/.ssh/authorized_keys
  # mail    - Compare email fields from certificate
  # ms      - Use Microsoft Universal Principal Name extension
  # krb     - Compare againts Kerberos Principal Name
  # cn      - Compare Common Name (CN)
  # uid     - Compare Unique Identifier
  # digest  - Certificate digest to login (mapfile based) mapper
  # generic - User defined certificate contents mapped
  # null    - blind access/deny mapper
  #
  # You can select a comma-separated mapper list.
  # If used null mapper should be the last in the list :-)
  # Also you should select at least one mapper, otherwise
  # certificate will not match :-)
  use_mappers = digest, cn, pwent, uid, mail, subject, null;

# When no absolute path or module info is provided, use this
  # value as module search path
  # TODO:
  # This is not still functional: use absolute pathnames or LD_LIBRARY_PATH 
  mapper_search_path = /usr/lib/pam_pkcs11;

# 
  # Generic certificate contents mapper
  mapper generic {
        debug = true;
        module = /usr/lib/pam_pkcs11/generic_mapper.so;
        # ignore letter case on match/compare
        ignorecase = false;
        # Use one of "cn" , "subject" , "kpn" , "email" , "upn" or "uid"
        cert_item  = cn;
        # Define mapfile if needed, else select "none"
        mapfile = file:///etc/pam_pkcs11/generic_mapping
        # Decide if use getpwent() to map login
        use_getpwent = false;
  }

# Certificate Subject to login based mapper
  # provided file stores one or more "Subject -> login" lines
  mapper subject {
	debug = false;
	# module = /usr/lib/pam_pkcs11/subject_mapper.so;
	module = internal;
	ignorecase = false;
	mapfile = file:///etc/pam_pkcs11/subject_mapping;
  }

# Search public keys from $HOME/.ssh/authorized_keys to match users
  mapper openssh {
	debug = false;
	module = /usr/lib/pam_pkcs11/openssh_mapper.so;
  }

# Search certificates from $HOME/.eid/authorized_certificates to match users
  mapper opensc {
	debug = false;
	module = /usr/lib/pam_pkcs11/opensc_mapper.so;
  }

# Certificate Common Name ( CN ) to getpwent() mapper
  mapper pwent {
	debug = false;
	ignorecase = false;
	module = internal;
	# module = /usr/lib/pam_pkcs11/pwent_mapper.so;
  }

# Null ( no map ) mapper. when user as finder matchs to NULL or "nobody"
  mapper null {
	debug = false;
	# module = /usr/lib/pam_pkcs11/null_mapper.so;
	module = internal ;
	# select behavior: always match, or always fail
	default_match = false;
	# on match, select returned user
        default_user = nobody ;
  }

# Directory ( ldap style ) mapper
  mapper ldap {
	debug = false;
	module = /usr/lib/pam_pkcs11/ldap_mapper.so;
	# where base directory resides
	basedir = /etc/pam_pkcs11/mapdir;
	# hostname of ldap server
        ldaphost = "localhost";
	# Port on ldap server to connect
        ldapport = 389;
        # Scope of search: 0 = x, 1 = y, 2 = z
        scope = 2;
	# DN to bind with. Must have read-access for user entries under "base"
        binddn = "cn=pam,o=example,c=com";
	# Password for above DN
        passwd = "test";
	# Searchbase for user entries
        base = "ou=People,o=example,c=com";
	# Attribute of user entry which contains the certificate
        attribute = "userCertificate";
	# Searchfilter for user entry. Must only let pass user entry for the login user.
        filter = "(&(objectClass=posixAccount)(uid=%s))"
  }

# Assume common name (CN) to be the login
  mapper cn {
	debug = false;
	module = internal;
	# module = /usr/lib/pam_pkcs11/cn_mapper.so;
	ignorecase = true;
	# mapfile = file:///etc/pam_pkcs11/cn_map;
	mapfile = "none";
  }

# mail -  Compare email field from certificate
  mapper mail {
	debug = false;
	module = internal;
	# module = /usr/lib/pam_pkcs11/mail_mapper.so;
	# Declare mapfile or
	# leave empty "" or "none" to use no map 
	mapfile = file:///etc/pam_pkcs11/mail_mapping;
	# Some certs store email in uppercase. take care on this
	ignorecase = true;
	# Also check that host matches mx domain
	# when using mapfile this feature is ignored
	ignoredomain = false;
  }

# ms - Use Microsoft Universal Principal Name extension
  # UPN is in format login@ADS_Domain. No map is needed, just
  # check domain name.
  mapper ms {
	debug = false;
	module = internal;
	# module = /usr/lib/pam_pkcs11/ms_mapper.so;
	ignorecase = false;
	ignoredomain = false;
	domain = "domain.com";
  }

# krb  - Compare againts Kerberos Principal Name
  mapper krb {
	debug = false;
	module = internal;
	# module = /usr/lib/pam_pkcs11/krb_mapper.so;
	ignorecase = false;
	mapfile = "none";
  }

# uid  - Maps Subject Unique Identifier field (if exist) to login
  mapper uid {
	debug = false;
	module = internal;
	# module = /usr/lib/pam_pkcs11/uid_mapper.so;
	ignorecase = false;
	mapfile = "none";
  }

# digest - elaborate certificate digest and map it into a file
  mapper digest {
	debug = false;
	module = internal;
	# module = /usr/lib/pam_pkcs11/digest_mapper.so;
	# algorithm used to evaluate certificate digest
        # Select one of:
	# "null","md2","md4","md5","sha","sha1","dss","dss1","ripemd160"
	algorithm = "sha1";
	mapfile = file:///etc/pam_pkcs11/digest_mapping;
	# mapfile = "none";
  }

}