Ticket History #6563: Implement s4u extensions

Merge Luke's users/lhoward/s4u branch to trunk. Implements S4U2Self
and S4U2Proxy extensions.


https://github.com/krb5/krb5/commit/0e39f8a3ad915eeb0131fb4a87b0fef304101cfd
Commit By: ghudson
Revision: 22736
Changed Files:
U trunk/src/clients/kvno/kvno.M
U trunk/src/clients/kvno/kvno.c
U trunk/src/include/k5-int.h
U trunk/src/include/kdb.h
U trunk/src/include/kdb_ext.h
U trunk/src/include/krb5/krb5.hin
U trunk/src/kadmin/cli/kadmin.c
U trunk/src/kdc/do_tgs_req.c
U trunk/src/kdc/kdc_authdata.c
U trunk/src/kdc/kdc_preauth.c
U trunk/src/kdc/kdc_util.c
U trunk/src/kdc/kdc_util.h
A trunk/src/lib/crypto/krb/enc_provider/
U trunk/src/lib/gssapi/generic/gssapi_ext.h
U trunk/src/lib/gssapi/krb5/Makefile.in
U trunk/src/lib/gssapi/krb5/accept_sec_context.c
U trunk/src/lib/gssapi/krb5/acquire_cred.c
U trunk/src/lib/gssapi/krb5/gssapiP_krb5.h
U trunk/src/lib/gssapi/krb5/gssapi_krb5.c
U trunk/src/lib/gssapi/krb5/import_name.c
U trunk/src/lib/gssapi/krb5/init_sec_context.c
U trunk/src/lib/gssapi/krb5/krb5_gss_glue.c
A trunk/src/lib/gssapi/krb5/s4u_gss_glue.c
U trunk/src/lib/gssapi/krb5/val_cred.c
U trunk/src/lib/gssapi/libgssapi_krb5.exports
U trunk/src/lib/gssapi/mechglue/Makefile.in
U trunk/src/lib/gssapi/mechglue/g_accept_sec_context.c
U trunk/src/lib/gssapi/mechglue/g_acquire_cred.c
A trunk/src/lib/gssapi/mechglue/g_acquire_cred_imp_name.c
U trunk/src/lib/gssapi/mechglue/g_glue.c
U trunk/src/lib/gssapi/mechglue/g_initialize.c
U trunk/src/lib/gssapi/mechglue/g_set_context_option.c
U trunk/src/lib/gssapi/mechglue/mglueP.h
U trunk/src/lib/gssapi/spnego/gssapiP_spnego.h
U trunk/src/lib/gssapi/spnego/spnego_mech.c
U trunk/src/lib/kadm5/str_conv.c
U trunk/src/lib/krb5/asn.1/asn1_k_decode.c
U trunk/src/lib/krb5/asn.1/asn1_k_decode.h
U trunk/src/lib/krb5/asn.1/asn1_k_encode.c
U trunk/src/lib/krb5/asn.1/krb5_decode.c
U trunk/src/lib/krb5/krb/Makefile.in
U trunk/src/lib/krb5/krb/gc_frm_kdc.c
U trunk/src/lib/krb5/krb/gc_via_tkt.c
U trunk/src/lib/krb5/krb/get_creds.c
U trunk/src/lib/krb5/krb/get_in_tkt.c
U trunk/src/lib/krb5/krb/int-proto.h
U trunk/src/lib/krb5/krb/kfree.c
U trunk/src/lib/krb5/krb/preauth2.c
A trunk/src/lib/krb5/krb/s4u_creds.c
U trunk/src/lib/krb5/krb/send_tgs.c
U trunk/src/lib/krb5/krb/srv_dec_tkt.c
U trunk/src/lib/krb5/libkrb5.exports
U trunk/src/lib/krb5/os/sendto_kdc.c
U trunk/src/slave/kproplog.c
U trunk/src/tests/asn.1/krb5_decode_leak.c
U trunk/src/tests/asn.1/krb5_decode_test.c
U trunk/src/tests/asn.1/krb5_encode_test.c
U trunk/src/tests/asn.1/ktest.c
U trunk/src/tests/asn.1/ktest.h
U trunk/src/tests/asn.1/ktest_equal.c
U trunk/src/tests/asn.1/ktest_equal.h
U trunk/src/tests/asn.1/reference_encode.out
U trunk/src/tests/asn.1/trval_reference.out
U trunk/src/tests/gssapi/Makefile.in
A trunk/src/tests/gssapi/t_s4u.c

Fix a few bugs in r22736. Cherry-picked from Luke's authdata branch.


https://github.com/krb5/krb5/commit/aa53ac48167aeb7d355284aa59541802d3980795
Commit By: ghudson
Revision: 22780
Changed Files:
U trunk/src/lib/gssapi/mechglue/g_set_context_option.c
U trunk/src/lib/krb5/krb/s4u_creds.c