908aeb56b2
The content of this branch was automatically imported from Fedora ELN with the following as its source: https://src.fedoraproject.org/rpms/krb5#501e2980728bcbd0c757fd9bb2b6274342420d2a
79 lines
3.1 KiB
Diff
79 lines
3.1 KiB
Diff
From 7316aaa0e9249a88e919f2596d881f78970548bc Mon Sep 17 00:00:00 2001
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From: Robbie Harwood <rharwood@redhat.com>
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Date: Wed, 26 Feb 2020 18:27:17 -0500
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Subject: [PATCH] Refresh manually acquired creds from client keytab
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If a client keytab is present but credentials are acquired manually,
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the credentials would not be refreshed because no refresh_time config
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var is set in the cache. Change kg_cred_time_to_refresh() to attempt
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a refresh from the client keytab on any credentials which will expire
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in the next 30 seconds.
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[ghudson@mit.edu: adjused code and added test case]
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ticket: 7976
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(cherry picked from commit 729896467e3c77904666019d6cbbda583ae49b95)
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---
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src/lib/gssapi/krb5/acquire_cred.c | 14 +++++++++++---
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src/tests/gssapi/t_client_keytab.py | 18 ++++++++++++++++++
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2 files changed, 29 insertions(+), 3 deletions(-)
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diff --git a/src/lib/gssapi/krb5/acquire_cred.c b/src/lib/gssapi/krb5/acquire_cred.c
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index acc1868f8..4062f4741 100644
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--- a/src/lib/gssapi/krb5/acquire_cred.c
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+++ b/src/lib/gssapi/krb5/acquire_cred.c
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@@ -557,15 +557,23 @@ set_refresh_time(krb5_context context, krb5_ccache ccache,
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krb5_boolean
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kg_cred_time_to_refresh(krb5_context context, krb5_gss_cred_id_rec *cred)
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{
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- krb5_timestamp now;
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+ krb5_timestamp now, soon;
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if (krb5_timeofday(context, &now))
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return FALSE;
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+ soon = ts_incr(now, 30);
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if (cred->refresh_time != 0 && !ts_after(cred->refresh_time, now)) {
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- set_refresh_time(context, cred->ccache,
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- ts_incr(cred->refresh_time, 30));
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+ set_refresh_time(context, cred->ccache, soon);
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return TRUE;
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}
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+
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+ /* If the creds will expire soon, try to refresh even if they weren't
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+ * acquired with a client keytab. */
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+ if (ts_after(soon, cred->expire)) {
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+ set_refresh_time(context, cred->ccache, soon);
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+ return TRUE;
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+ }
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+
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return FALSE;
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}
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diff --git a/src/tests/gssapi/t_client_keytab.py b/src/tests/gssapi/t_client_keytab.py
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index e474a27c7..7847b3ecd 100755
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--- a/src/tests/gssapi/t_client_keytab.py
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+++ b/src/tests/gssapi/t_client_keytab.py
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@@ -124,4 +124,22 @@ realm.kinit(realm.user_princ, password('user'))
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realm.run(['./t_ccselect', phost], env=bad_cktname,
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expected_msg=realm.user_princ)
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+mark('refresh of manually acquired creds')
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+
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+# Test 17: no name/ccache specified, manually acquired creds which
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+# will expire soon. Verify that creds are refreshed using the current
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+# client name, with refresh_time set in the refreshed ccache.
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+realm.kinit('bob', password('bob'), ['-l', '15s'])
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+realm.run(['./t_ccselect', phost], expected_msg='bob')
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+realm.run([klist, '-C'], expected_msg='refresh_time = ')
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+
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+# Test 18: no name/ccache specified, manually acquired creds with a
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+# client principal not present in the client keytab. A refresh is
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+# attempted but fails, and an expired ticket error results.
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+realm.kinit(realm.admin_princ, password('admin'), ['-l', '-1s'])
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+msgs = ('Getting initial credentials for user/admin@KRBTEST.COM',
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+ '/Matching credential not found')
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+realm.run(['./t_ccselect', phost], expected_code=1,
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+ expected_msg='Ticket expired', expected_trace=msgs)
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+
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success('Client keytab tests')
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