Cy Schubert 191d528d94 Welcome the new KRB5 1.18 (krb5-118) ... In addition, deprecate krb5-116 to retire one year after the release of krb5-118: Feb 12, 2021. Major changes in 1.18 (2020-02-12) ================================== Administrator experience: * Remove support for single-DES encryption types. * Change the replay cache format to be more efficient and robust. Replay cache filenames using the new format end with ".rcache2" by default. * setuid programs will automatically ignore environment variables that normally affect krb5 API functions, even if the caller does not use krb5_init_secure_context(). * Add an "enforce_ok_as_delegate" krb5.conf relation to disable credential forwarding during GSSAPI authentication unless the KDC sets the ok-as-delegate bit in the service ticket. * Use the permitted_enctypes krb5.conf setting as the default value for default_tkt_enctypes and default_tgs_enctypes. Developer experience: * Implement krb5_cc_remove_cred() for all credential cache types. * Add the krb5_pac_get_client_info() API to get the client account name from a PAC. Protocol evolution: * Add KDC support for S4U2Self requests where the user is identified by X.509 certificate. (Requires support for certificate lookup from a third-party KDB module.) * Remove support for an old ("draft 9") variant of PKINIT. * Add support for Microsoft NegoEx. (Requires one or more third-party GSS modules implementing NegoEx mechanisms.) * Honor the transited-policy-checked ticket flag on application servers, eliminating the requirement to configure capaths on servers in some scenarios. User experience: * Add support for "dns_canonicalize_hostname=fallback""`, causing host-based principal names to be tried first without DNS canonicalization, and again with DNS canonicalization if the un-canonicalized server is not found. * Expand single-component hostnames in host-based principal names when DNS canonicalization is not used, adding the system's first DNS search path as a suffix. Add a "qualify_shortname" krb5.conf relation to override this suffix or disable expansion. Code quality: * The libkrb5 serialization code (used to export and import krb5 GSS security contexts) has been simplified and made type-safe. * The libkrb5 code for creating KRB-PRIV, KRB-SAFE, and KRB-CRED messages has been revised to conform to current coding practices. * The test suite has been modified to work with macOS System Integrity Protection enabled. * The test suite incorporates soft-pkcs11 so that PKINIT PKCS11 support can always be tested.		2020-02-19 02:42:55 +00:00
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