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, 36 insertions, 2 deletions

diff --git a/Makefile.am b/Makefile.am
index 49520f3be..d75300bdb 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -32,6 +32,7 @@ pipepath = @pipepath@
 initdir = @initdir@
 logpath = @logpath@
 pubconfpath = @pubconfpath@
+pkgconfigdir = $(libdir)/pkgconfig
 
 AM_CFLAGS =
 if WANT_AUX_INFO
@@ -43,6 +44,8 @@ if HAVE_GCC
                  -Werror-implicit-function-declaration
 endif
 
+dist_pkgconfig_DATA =
+
 ACLOCAL_AMFLAGS = -I m4 -I .
 
 sbin_PROGRAMS = \
@@ -78,7 +81,8 @@ if HAVE_CHECK
         ipa_ldap_opt-tests \
         simple_access-tests \
         crypto-tests \
-        util-tests
+        util-tests \
+        ipa_hbac-tests
 endif
 
 check_PROGRAMS = \
@@ -358,6 +362,17 @@ if HAVE_NSS
 endif
 
 
+lib_LTLIBRARIES = libipa_hbac.la
+dist_pkgconfig_DATA += src/providers/ipa/ipa_hbac.pc
+libipa_hbac_la_SOURCES = \
+    src/providers/ipa/hbac_evaluator.c
+libipa_hbac_la_LDFLAGS = \
+    -version 1:0:1 \
+    -lunistring
+
+include_HEADERS = \
+    src/providers/ipa/ipa_hbac.h
+
 ####################
 # Program Binaries #
 ####################
@@ -690,6 +705,18 @@ crypto_tests_LDADD = \
     $(CHECK_LIBS) \
     libsss_test_common.la
 
+ipa_hbac_tests_SOURCES = \
+    src/tests/ipa_hbac-tests.c \
+    $(SSSD_UTIL_OBJ)
+ipa_hbac_tests_CFLAGS = \
+    $(AM_CFLAGS) \
+    $(CHECK_CFLAGS)
+ipa_hbac_tests_LDADD = \
+    $(SSSD_LIBS) \
+    $(CHECK_LIBS) \
+    libsss_test_common.la \
+    libipa_hbac.la
+
 endif
 
 stress_tests_SOURCES = \
@@ -833,6 +860,12 @@ libsss_ipa_la_SOURCES = \
     src/providers/ipa/ipa_auth.c \
     src/providers/ipa/ipa_access.c \
     src/providers/ipa/ipa_dyndns.c \
+    src/providers/ipa/ipa_hbac_hosts.c \
+    src/providers/ipa/ipa_hbac_private.h \
+    src/providers/ipa/ipa_hbac_rules.c \
+    src/providers/ipa/ipa_hbac_services.c \
+    src/providers/ipa/ipa_hbac_users.c \
+    src/providers/ipa/ipa_hbac_common.c \
     src/providers/ldap/ldap_id.c \
     src/providers/ldap/ldap_id_enum.c \
     src/providers/ldap/ldap_id_cleanup.c \
@@ -870,7 +903,8 @@ libsss_ipa_la_LIBADD = \
     $(DHASH_LIBS) \
     $(KEYUTILS_LIBS) \
     $(KRB5_LIBS) \
-    libsss_crypt.la
+    libsss_crypt.la \
+    libipa_hbac.la
 libsss_ipa_la_LDFLAGS = \
     -version-info 1:0:0 \
     -module