Rewrite HBAC rule evaluator

Add helper function msgs2attrs_array

This function converts a list of ldb_messages into a list of
sysdb_attrs.

Conflicts:

	src/providers/ldap/ldap_common.c
	src/providers/ldap/ldap_common.h

Add HBAC evaluator and tests

Add helper functions for looking up HBAC rule components

Remove old HBAC implementation

Add new HBAC lookup and evaluation routines

Conflicts:

	Makefile.am

Add ipa_hbac_refresh option

This option describes the time between refreshes of the HBAC rules
on the IPA server.

Add ipa_hbac_treat_deny_as option

By default, we will treat the presence of any DENY rule as denying
all users. This option will allow the admin to explicitly ignore
DENY rules during a transitional period.

Treat NULL or empty rhost as unknown

Previously, we were assuming this meant it was coming from the
localhost, but this is not a safe assumption. We will now treat it
as unknown and it will fail to match any rule that requires a
specified srchost or group of srchosts.

libipa_hbac: Support case-insensitive comparisons with UTF8

UTF8 HBAC test

Fix memory leak in ipa_hbac_evaluate_rules

https://fedorahosted.org/sssd/ticket/933

Fix incorrect NULL check in ipa_hbac_common.c

https://fedorahosted.org/sssd/ticket/936

Require matched version and release for libipa_hbac

Add rule validator to libipa_hbac

https://fedorahosted.org/sssd/ticket/943

1 files changed, 3 insertions, 1 deletions

diff --git a/src/providers/ipa/ipa_common.c b/src/providers/ipa/ipa_common.c
index c1581305d..115172250 100644
--- a/src/providers/ipa/ipa_common.c
+++ b/src/providers/ipa/ipa_common.c
@@ -36,7 +36,9 @@ struct dp_option ipa_basic_opts[] = {
     { "ipa_dyndns_update", DP_OPT_BOOL, BOOL_FALSE, BOOL_FALSE },
     { "ipa_dyndns_iface", DP_OPT_STRING, NULL_STRING, NULL_STRING},
     { "ipa_hbac_search_base", DP_OPT_STRING, NULL_STRING, NULL_STRING},
-    { "krb5_realm", DP_OPT_STRING, NULL_STRING, NULL_STRING}
+    { "krb5_realm", DP_OPT_STRING, NULL_STRING, NULL_STRING},
+    { "ipa_hbac_refresh", DP_OPT_NUMBER, { .number = 5 }, NULL_NUMBER },
+    { "ipa_hbac_treat_deny_as", DP_OPT_STRING, { "DENY_ALL" }, NULL_STRING }
 };
 
 struct dp_option ipa_def_ldap_opts[] = {