pull up r22149, r22151, r22153 from trunk

pull up r22149, r22151, r22153 from trunk

 ------------------------------------------------------------------------
 r22153 | tlyu | 2009-03-31 19:51:48 -0400 (Tue, 31 Mar 2009) | 3 lines
 Changed paths:
    M /trunk/src/lib/krb5/asn.1/asn1_k_decode.c
    M /trunk/src/lib/krb5/asn.1/asn1_k_encode.c
    M /trunk/src/lib/krb5/asn.1/krb5_decode.c
    M /trunk/src/lib/krb5/asn.1/krb5_encode.c

 ticket: 6436

 Make FAST changes build when pkinit is disabled.
 ------------------------------------------------------------------------
 r22151 | hartmans | 2009-03-31 18:35:59 -0400 (Tue, 31 Mar 2009) | 3 lines
 Changed paths:
    M /trunk/src/kdc/do_tgs_req.c

 ticket: 6436

 Initialize request state in the TGS path.
 ------------------------------------------------------------------------
 r22149 | hartmans | 2009-03-31 13:00:41 -0400 (Tue, 31 Mar 2009) | 8 lines
 Changed paths:
    M /trunk/src/Makefile.in
    M /trunk/src/configure.in
    M /trunk/src/include/k5-int-pkinit.h
    M /trunk/src/include/k5-int.h
    M /trunk/src/include/krb5/krb5.hin
    M /trunk/src/include/krb5/preauth_plugin.h
    M /trunk/src/kdc/Makefile.in
    M /trunk/src/kdc/dispatch.c
    M /trunk/src/kdc/do_as_req.c
    M /trunk/src/kdc/do_tgs_req.c
    A /trunk/src/kdc/fast_util.c
    M /trunk/src/kdc/kdc_preauth.c
    M /trunk/src/kdc/kdc_util.c
    M /trunk/src/kdc/kdc_util.h
    M /trunk/src/lib/krb5/asn.1/asn1_k_decode.c
    M /trunk/src/lib/krb5/asn.1/asn1_k_decode.h
    M /trunk/src/lib/krb5/asn.1/asn1_k_encode.c
    M /trunk/src/lib/krb5/asn.1/krb5_decode.c
    M /trunk/src/lib/krb5/error_tables/krb5_err.et
    M /trunk/src/lib/krb5/error_tables/kv5m_err.et
    M /trunk/src/lib/krb5/krb/Makefile.in
    A /trunk/src/lib/krb5/krb/fast.c
    A /trunk/src/lib/krb5/krb/fast.h
    M /trunk/src/lib/krb5/krb/get_in_tkt.c
    M /trunk/src/lib/krb5/krb/gic_opt.c
    M /trunk/src/lib/krb5/krb/kfree.c
    M /trunk/src/lib/krb5/krb/preauth2.c
    M /trunk/src/lib/krb5/libkrb5.exports
    M /trunk/src/lib/krb5/os/accessor.c
    A /trunk/src/plugins/preauth/encrypted_challenge
    A /trunk/src/plugins/preauth/encrypted_challenge/Makefile.in (from /trunk/src/plugins/preauth/cksum_body/Makefile.in:22148)
    A /trunk/src/plugins/preauth/encrypted_challenge/deps (from /trunk/src/ccapi/test/deps:22148)
    A /trunk/src/plugins/preauth/encrypted_challenge/encrypted_challenge.exports (from /trunk/src/plugins/preauth/pkinit/pkinit.exports:22148)
    A /trunk/src/plugins/preauth/encrypted_challenge/encrypted_challenge_main.c
    A /trunk/src/plugins/preauth/fast_factor.h

 ticket: 6436
 subject: Implement FAST from draft-ietf-krb-wg-preauth-framework
 Target_Version: 1.7

 Merge fast branch at 22146 onto trunk

 Implement the kerberos pre-authentication framework FAST feature per
 Projects/FAST on the wiki.

ticket: 6436
version_fixed: 1.7

git-svn-id: svn://anonsvn.mit.edu/krb5/branches/krb5-1-7@22241 dc483132-0cff-0310-8789-dd5450dbe970