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, 21 insertions, 10 deletions

diff --git a/src/providers/ipa/ipa_access.h b/src/providers/ipa/ipa_access.h
index 52b2f0707..2a6bdad50 100644
--- a/src/providers/ipa/ipa_access.h
+++ b/src/providers/ipa/ipa_access.h
@@ -43,26 +43,37 @@ struct ipa_access_ctx {
     struct sdap_id_ctx *sdap_ctx;
     struct dp_option *ipa_options;
     struct time_rules_ctx *tr_ctx;
+    time_t last_update;
 };
 
 struct hbac_ctx {
     struct sdap_id_ctx *sdap_ctx;
+    struct ipa_access_ctx *access_ctx;
     struct sdap_id_op *sdap_op;
     struct dp_option *ipa_options;
     struct time_rules_ctx *tr_ctx;
     struct be_req *be_req;
     struct pam_data *pd;
-    struct sysdb_attrs **hbac_hosts_list;
-    size_t hbac_hosts_count;
-    struct hbac_host_info *remote_hhi;
-    struct sysdb_attrs **hbac_rule_list;
-    size_t hbac_rule_count;
-    const char *user_dn;
-    size_t groups_count;
-    const char **groups;
+
     char *hbac_search_base;
-    struct sysdb_attrs **hbac_services_list;
-    size_t hbac_services_count;
+
+    /* Hosts */
+    size_t host_count;
+    struct sysdb_attrs **hosts;
+    size_t hostgroup_count;
+    struct sysdb_attrs **hostgroups;
+    struct sysdb_attrs *ipa_host;
+
+    /* Rules */
+    bool get_deny_rules;
+    size_t rule_count;
+    struct sysdb_attrs **rules;
+
+    /* Services */
+    size_t service_count;
+    struct sysdb_attrs **services;
+    size_t servicegroup_count;
+    struct sysdb_attrs **servicegroups;
 };
 
 /* Get BE context associated with HBAC context */