From a98048c5c49c54989028f08c25f03c339d9f41df Mon Sep 17 00:00:00 2001
From: Eesaan Atluri <atlurie@uab.edu>
Date: Wed, 18 Sep 2024 22:22:40 -0500
Subject: [PATCH] feat: Enable TLS in ldap only for non-proxy nodes
---
ansible/roles/ldap_config/tasks/main.yml | 5 +-
.../roles/ldap_config/templates/nslcd.conf.j2 | 148 ++++++++++++++++++
2 files changed, 151 insertions(+), 2 deletions(-)
create mode 100644 ansible/roles/ldap_config/templates/nslcd.conf.j2
diff --git a/ansible/roles/ldap_config/tasks/main.yml b/ansible/roles/ldap_config/tasks/main.yml
index 5b3332f..0f8db2a 100644
--- a/ansible/roles/ldap_config/tasks/main.yml
+++ b/ansible/roles/ldap_config/tasks/main.yml
@@ -33,10 +33,11 @@
- { src: ca.pem }
- { src: ldap.key }
- { src: ldap.pem }
+ when: ldap_uri | regex_search('^ldaps://')
- name: Copy ldap config into place
- ansible.builtin.copy:
- src: nslcd.conf
+ ansible.builtin.template:
+ src: nslcd.conf.j2
dest: /etc/nslcd.conf
owner: root
group: root
diff --git a/ansible/roles/ldap_config/templates/nslcd.conf.j2 b/ansible/roles/ldap_config/templates/nslcd.conf.j2
new file mode 100644
index 0000000..0d03cdf
--- /dev/null
+++ b/ansible/roles/ldap_config/templates/nslcd.conf.j2
@@ -0,0 +1,148 @@
+# This is the configuration file for the LDAP nameservice
+# switch library's nslcd daemon. It configures the mapping
+# between NSS names (see /etc/nsswitch.conf) and LDAP
+# information in the directory.
+# See the manual page nslcd.conf(5) for more information.
+
+# The user and group nslcd should run as.
+uid nslcd
+gid ldap
+
+# The uri pointing to the LDAP server to use for name lookups.
+# Multiple entries may be specified. The address that is used
+# here should be resolvable without using LDAP (obviously).
+#uri ldap://127.0.0.1/
+#uri ldaps://127.0.0.1/
+#uri ldapi://%2fvar%2frun%2fldapi_sock/
+# Note: %2f encodes the '/' used as directory separator
+uri {{ ldap_uri }}
+
+# The LDAP version to use (defaults to 3
+# if supported by client library)
+#ldap_version 3
+
+# The distinguished name of the search base.
+base dc=cm,dc=cluster
+
+# The distinguished name to bind to the server with.
+# Optional: default is to bind anonymously.
+#binddn cn=proxyuser,dc=example,dc=com
+
+# The credentials to bind with.
+# Optional: default is no credentials.
+# Note that if you set a bindpw you should check the permissions of this file.
+#bindpw secret
+
+# The distinguished name to perform password modifications by root by.
+#rootpwmoddn cn=admin,dc=example,dc=com
+
+# The default search scope.
+#scope sub
+#scope one
+#scope base
+
+# Customize certain database lookups.
+#base group ou=Groups,dc=example,dc=com
+#base passwd ou=People,dc=example,dc=com
+#base shadow ou=People,dc=example,dc=com
+#scope group onelevel
+#scope hosts sub
+
+# Bind/connect timelimit.
+#bind_timelimit 30
+
+# Search timelimit.
+#timelimit 30
+
+# Idle timelimit. nslcd will close connections if the
+# server has not been contacted for the number of seconds.
+idle_timelimit 240
+
+# Use StartTLS without verifying the server certificate.
+#ssl start_tls
+#tls_reqcert never
+
+{% if ldap_uri | regex_search('^ldaps://') %}
+ssl on
+tls_reqcert demand
+
+# CA certificates for server certificate verification
+#tls_cacertdir /etc/ssl/certs
+tls_cacertfile /cm/local/apps/openldap/etc/certs/ca.pem
+tls_cert /cm/local/apps/openldap/etc/certs/ldap.pem
+tls_key /cm/local/apps/openldap/etc/certs/ldap.key
+{% endif %}
+
+# Seed the PRNG if /dev/urandom is not provided
+#tls_randfile /var/run/egd-pool
+
+# SSL cipher suite
+# See man ciphers for syntax
+#tls_ciphers TLSv1
+
+# Client certificate and key
+# Use these, if your server requires client authentication.
+
+# Mappings for Services for UNIX 3.5
+#filter passwd (objectClass=User)
+#map passwd uid msSFU30Name
+#map passwd userPassword msSFU30Password
+#map passwd homeDirectory msSFU30HomeDirectory
+#map passwd homeDirectory msSFUHomeDirectory
+#filter shadow (objectClass=User)
+#map shadow uid msSFU30Name
+#map shadow userPassword msSFU30Password
+#filter group (objectClass=Group)
+#map group member msSFU30PosixMember
+
+# Mappings for Services for UNIX 2.0
+#filter passwd (objectClass=User)
+#map passwd uid msSFUName
+#map passwd userPassword msSFUPassword
+#map passwd homeDirectory msSFUHomeDirectory
+#map passwd gecos msSFUName
+#filter shadow (objectClass=User)
+#map shadow uid msSFUName
+#map shadow userPassword msSFUPassword
+#map shadow shadowLastChange pwdLastSet
+#filter group (objectClass=Group)
+#map group member posixMember
+
+# Mappings for Active Directory
+#pagesize 1000
+#referrals off
+#idle_timelimit 800
+#filter passwd (&(objectClass=user)(!(objectClass=computer))(uidNumber=*)(unixHomeDirectory=*))
+#map passwd uid sAMAccountName
+#map passwd homeDirectory unixHomeDirectory
+#map passwd gecos displayName
+#filter shadow (&(objectClass=user)(!(objectClass=computer))(uidNumber=*)(unixHomeDirectory=*))
+#map shadow uid sAMAccountName
+#map shadow shadowLastChange pwdLastSet
+#filter group (objectClass=group)
+
+# Alternative mappings for Active Directory
+# (replace the SIDs in the objectSid mappings with the value for your domain)
+#pagesize 1000
+#referrals off
+#idle_timelimit 800
+#filter passwd (&(objectClass=user)(objectClass=person)(!(objectClass=computer)))
+#map passwd uid cn
+#map passwd uidNumber objectSid:S-1-5-21-3623811015-3361044348-30300820
+#map passwd gidNumber objectSid:S-1-5-21-3623811015-3361044348-30300820
+#map passwd homeDirectory "/home/$cn"
+#map passwd gecos displayName
+#map passwd loginShell "/bin/bash"
+#filter group (|(objectClass=group)(objectClass=person))
+#map group gidNumber objectSid:S-1-5-21-3623811015-3361044348-30300820
+
+# Mappings for AIX SecureWay
+#filter passwd (objectClass=aixAccount)
+#map passwd uid userName
+#map passwd userPassword passwordChar
+#map passwd uidNumber uid
+#map passwd gidNumber gid
+#filter group (objectClass=aixAccessGroup)
+#map group cn groupName
+#map group gidNumber gid
+# This comment prevents repeated auto-migration of settings.
--
GitLab