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authorStephen Gallagher <sgallagh@redhat.com>2011-05-18 16:38:38 -0400
committerStephen Gallagher <sgallagh@redhat.com>2011-07-08 15:12:24 -0400
commit4dd615c01357b8715711aad6820ba9595d3ad377 (patch)
treea56cee70c8a4f4f7e920801e718cbc88eae9e957
parent31442edcf62c284d5d983bda48e51ae55b70ebdf (diff)
downloadsssd-4dd615c01357b8715711aad6820ba9595d3ad377.tar.gz
sssd-4dd615c01357b8715711aad6820ba9595d3ad377.tar.xz
sssd-4dd615c01357b8715711aad6820ba9595d3ad377.zip
Add HBAC evaluator and tests
-rw-r--r--Makefile.am28
-rw-r--r--configure.ac3
-rw-r--r--contrib/sssd.spec.in29
-rw-r--r--src/providers/ipa/hbac_evaluator.c221
-rw-r--r--src/providers/ipa/ipa_hbac.h154
-rw-r--r--src/providers/ipa/ipa_hbac.pc.in11
-rw-r--r--src/tests/ipa_hbac-tests.c618
7 files changed, 1062 insertions, 2 deletions
diff --git a/Makefile.am b/Makefile.am
index b8423bab3..ee7c4685d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -33,6 +33,7 @@ initdir = @initdir@
systemdunitdir = @systemdunitdir@
logpath = @logpath@
pubconfpath = @pubconfpath@
+pkgconfigdir = $(libdir)/pkgconfig
AM_CFLAGS =
if WANT_AUX_INFO
@@ -44,6 +45,8 @@ if HAVE_GCC
-Werror-implicit-function-declaration
endif
+dist_pkgconfig_DATA =
+
ACLOCAL_AMFLAGS = -I m4 -I .
sbin_PROGRAMS = \
@@ -80,7 +83,8 @@ if HAVE_CHECK
ipa_ldap_opt-tests \
simple_access-tests \
crypto-tests \
- util-tests
+ util-tests \
+ ipa_hbac-tests
endif
check_PROGRAMS = \
@@ -365,6 +369,16 @@ libsss_util_la_LIBADD = \
libsss_crypt.la \
libsss_debug.la
+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 0:0:0
+
+include_HEADERS = \
+ src/providers/ipa/ipa_hbac.h
+
####################
# Program Binaries #
####################
@@ -711,6 +725,18 @@ crypto_tests_LDADD = \
$(CHECK_LIBS) \
libsss_test_common.la
+ipa_hbac_tests_SOURCES = \
+ src/tests/ipa_hbac-tests.c
+ipa_hbac_tests_CFLAGS = \
+ $(AM_CFLAGS) \
+ $(CHECK_CFLAGS)
+ipa_hbac_tests_LDADD = \
+ $(SSSD_LIBS) \
+ $(CHECK_LIBS) \
+ libsss_util.la \
+ libsss_test_common.la \
+ libipa_hbac.la
+
endif
stress_tests_SOURCES = \
diff --git a/configure.ac b/configure.ac
index 972c24c8c..2cf3137f8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -192,6 +192,7 @@ AC_DEFINE_UNQUOTED([ABS_BUILD_DIR], ["$abs_build_dir"], [Absolute path to the bu
AC_SUBST([abs_builddir], $abs_build_dir)
AC_CONFIG_FILES([Makefile contrib/sssd.spec src/examples/rwtab src/doxy.config
- src/sysv/systemd/sssd.service po/Makefile.in src/man/Makefile])
+ src/sysv/systemd/sssd.service po/Makefile.in src/man/Makefile
+ src/providers/ipa/ipa_hbac.pc])
AC_OUTPUT
diff --git a/contrib/sssd.spec.in b/contrib/sssd.spec.in
index b14818025..9c24fecbe 100644
--- a/contrib/sssd.spec.in
+++ b/contrib/sssd.spec.in
@@ -116,6 +116,23 @@ SSSD when using id_provider = local in /etc/sssd/sssd.conf.
Also provides a userspace tool for generating an obfuscated LDAP password for
use with ldap_default_authtok_type = obfuscated_password.
+%package -n libipa_hbac
+Summary: FreeIPA HBAC Evaluator library
+Group: Development/Libraries
+License: LGPLv3+
+
+%description -n libipa_hbac
+Utility library to validate FreeIPA HBAC rules for authorization requests
+
+%package -n libipa_hbac-devel
+Summary: FreeIPA HBAC Evaluator library
+Group: Development/Libraries
+License: LGPLv3+
+Requires: libipa_hbac = %{version}-%{release}
+
+%description -n libipa_hbac-devel
+Utility library to validate FreeIPA HBAC rules for authorization requests
+
%prep
%setup -q
@@ -181,6 +198,7 @@ rm -f \
$RPM_BUILD_ROOT/%{_libdir}/sssd/libsss_ipa.la \
$RPM_BUILD_ROOT/%{_libdir}/sssd/libsss_simple.la \
$RPM_BUILD_ROOT/%{_libdir}/krb5/plugins/libkrb5/sssd_krb5_locator_plugin.la \
+ $RPM_BUILD_ROOT/%{_libdir}/libipa_hbac.la \
$RPM_BUILD_ROOT/%{python_sitearch}/pysss.la
# Older versions of rpmbuild can only handle one -f option
@@ -268,6 +286,17 @@ rm -rf $RPM_BUILD_ROOT
%{_mandir}/man8/sss_obfuscate.8*
%{_mandir}/man8/sss_cache.8*
+%files -n libipa_hbac
+%defattr(-,root,root,-)
+%doc src/sss_client/COPYING src/sss_client/COPYING.LESSER
+%{_libdir}/libipa_hbac.so.*
+
+%files -n libipa_hbac-devel
+%defattr(-,root,root,-)
+%{_includedir}/ipa_hbac.h
+%{_libdir}/libipa_hbac.so
+%{_libdir}/pkgconfig/ipa_hbac.pc
+
%post
/sbin/ldconfig
/sbin/chkconfig --add %{servicename}
diff --git a/src/providers/ipa/hbac_evaluator.c b/src/providers/ipa/hbac_evaluator.c
new file mode 100644
index 000000000..949f0aefd
--- /dev/null
+++ b/src/providers/ipa/hbac_evaluator.c
@@ -0,0 +1,221 @@
+/*
+ SSSD
+
+ IPA Backend Module -- Access control
+
+ Authors:
+ Sumit Bose <sbose@redhat.com>
+ Stephen Gallagher <sgallagh@redhat.com>
+
+ Copyright (C) 2011 Red Hat
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdlib.h>
+#include <string.h>
+#include "providers/ipa/ipa_hbac.h"
+
+/* Placeholder structure for future HBAC time-based
+ * evaluation rules
+ */
+struct hbac_time_rules {
+ int not_yet_implemented;
+};
+
+enum hbac_eval_result_int {
+ HBAC_EVAL_MATCH_ERROR = -1,
+ HBAC_EVAL_MATCHED,
+ HBAC_EVAL_UNMATCHED
+};
+
+enum hbac_eval_result_int hbac_evaluate_rule(struct hbac_rule *rule,
+ struct hbac_eval_req *hbac_req,
+ enum hbac_error_code *error);
+
+enum hbac_eval_result hbac_evaluate(struct hbac_rule **rules,
+ struct hbac_eval_req *hbac_req,
+ struct hbac_info **info)
+{
+ enum hbac_error_code ret;
+ enum hbac_eval_result result = HBAC_EVAL_DENY;
+ enum hbac_eval_result_int intermediate_result;
+
+ if (info) {
+ *info = malloc(sizeof(struct hbac_info));
+ if (!*info) {
+ return HBAC_EVAL_OOM;
+ }
+ (*info)->code = HBAC_ERROR_UNKNOWN;
+ (*info)->rule_name = NULL;
+ }
+ uint32_t i;
+
+ for (i = 0; rules[i]; i++) {
+ intermediate_result = hbac_evaluate_rule(rules[i], hbac_req, &ret);
+ if (intermediate_result == HBAC_EVAL_UNMATCHED) {
+ /* This rule did not match at all. Skip it */
+ continue;
+ } else if (intermediate_result == HBAC_EVAL_MATCHED) {
+ /* This request matched an ALLOW rule
+ * Set the result to ALLOW but continue checking
+ * the other rules in case a DENY rule trumps it.
+ */
+ result = HBAC_EVAL_ALLOW;
+ if (info) {
+ (*info)->code = HBAC_SUCCESS;
+ (*info)->rule_name = strdup(rules[i]->name);
+ if (!(*info)->rule_name) {
+ result = HBAC_EVAL_ERROR;
+ (*info)->code = HBAC_ERROR_OUT_OF_MEMORY;
+ }
+ }
+ break;
+ } else {
+ /* An error occurred processing this rule */
+ result = HBAC_EVAL_ERROR;
+ (*info)->code = ret;
+ (*info)->rule_name = strdup(rules[i]->name);
+ /* Explicitly not checking the result of strdup(), since if
+ * it's NULL, we can't do anything anyway.
+ */
+ goto done;
+ }
+ }
+
+ /* If we've reached the end of the loop, we have either set the
+ * result to ALLOW explicitly or we'll stick with the default DENY.
+ */
+done:
+
+ return result;
+}
+
+static bool hbac_evaluate_element(struct hbac_rule_element *rule_el,
+ struct hbac_request_element *req_el);
+
+enum hbac_eval_result_int hbac_evaluate_rule(struct hbac_rule *rule,
+ struct hbac_eval_req *hbac_req,
+ enum hbac_error_code *error)
+{
+ if (!rule->enabled) return HBAC_EVAL_UNMATCHED;
+
+ /* Make sure we have all elements */
+ if (!rule->users
+ || !rule->services
+ || !rule->targethosts
+ || !rule->srchosts) {
+ *error = HBAC_ERROR_UNPARSEABLE_RULE;
+ return HBAC_EVAL_MATCH_ERROR;
+ }
+
+ /* Check users */
+ if (!hbac_evaluate_element(rule->users, hbac_req->user)) {
+ return HBAC_EVAL_UNMATCHED;
+ }
+
+ /* Check services */
+ if (!hbac_evaluate_element(rule->services, hbac_req->service)) {
+ return HBAC_EVAL_UNMATCHED;
+ }
+
+ /* Check target hosts */
+ if (!hbac_evaluate_element(rule->targethosts, hbac_req->targethost)) {
+ return HBAC_EVAL_UNMATCHED;
+ }
+
+ /* Check source hosts */
+ if (!hbac_evaluate_element(rule->srchosts, hbac_req->srchost)) {
+ return HBAC_EVAL_UNMATCHED;
+ }
+
+ return HBAC_EVAL_MATCHED;
+}
+
+static bool hbac_evaluate_element(struct hbac_rule_element *rule_el,
+ struct hbac_request_element *req_el)
+{
+ size_t i, j;
+
+ if (rule_el->category & HBAC_CATEGORY_ALL) {
+ return true;
+ }
+
+ /* First check the name list */
+ if (rule_el->names) {
+ for (i = 0; rule_el->names[i]; i++) {
+ if (strcmp(rule_el->names[i], req_el->name) == 0) {
+ return true;
+ }
+ }
+ }
+
+ if (rule_el->groups) {
+ /* Not found in the name list
+ * Check for group membership
+ */
+ for (i = 0; rule_el->groups[i]; i++) {
+ for (j = 0; req_el->groups[j]; j++) {
+ if (strcmp(rule_el->groups[i],
+ req_el->groups[j]) == 0) {
+ return true;
+ }
+ }
+ }
+ }
+
+ /* Not found in groups either */
+ return false;
+}
+
+const char *hbac_result_string(enum hbac_eval_result result)
+{
+ switch(result) {
+ case HBAC_EVAL_ALLOW:
+ return "HBAC_EVAL_ALLOW";
+ case HBAC_EVAL_DENY:
+ return "HBAC_EVAL_DENY";
+ case HBAC_EVAL_ERROR:
+ return "HBAC_EVAL_ERROR";
+ case HBAC_EVAL_OOM:
+ return "Could not allocate memory for hbac_info object";
+ }
+ return "HBAC_EVAL_ERROR";
+}
+
+void hbac_free_info(struct hbac_info *info)
+{
+ if (info == NULL) return;
+
+ free(info->rule_name);
+ free(info);
+ info = NULL;
+}
+
+const char *hbac_error_string(enum hbac_error_code code)
+{
+ switch(code) {
+ case HBAC_SUCCESS:
+ return "Success";
+ case HBAC_ERROR_NOT_IMPLEMENTED:
+ return "Function is not yet implemented";
+ case HBAC_ERROR_OUT_OF_MEMORY:
+ return "Out of memory";
+ case HBAC_ERROR_UNPARSEABLE_RULE:
+ return "Rule could not be evaluated";
+ case HBAC_ERROR_UNKNOWN:
+ default:
+ return "Unknown error code";
+ }
+}
diff --git a/src/providers/ipa/ipa_hbac.h b/src/providers/ipa/ipa_hbac.h
new file mode 100644
index 000000000..a1d513785
--- /dev/null
+++ b/src/providers/ipa/ipa_hbac.h
@@ -0,0 +1,154 @@
+/*
+ SSSD
+
+ IPA Backend Module -- Access control
+
+ Authors:
+ Sumit Bose <sbose@redhat.com>
+ Stephen Gallagher <sgallagh@redhat.com>
+
+ Copyright (C) 2009 Red Hat
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef IPA_HBAC_H_
+#define IPA_HBAC_H_
+
+#include <stdint.h>
+#include <stdbool.h>
+
+enum hbac_eval_result {
+ HBAC_EVAL_ERROR = -1,
+ HBAC_EVAL_ALLOW,
+ HBAC_EVAL_DENY,
+ HBAC_EVAL_OOM
+};
+
+#define HBAC_CATEGORY_NULL 0x0000 /* No service category specified */
+#define HBAC_CATEGORY_ALL 0x0001 /* Rule should apply to all */
+
+/* Opaque type contained in hbac_evaluator.c */
+struct hbac_time_rules;
+
+struct hbac_rule_element {
+ uint32_t category;
+ const char **names;
+ const char **groups;
+};
+
+struct hbac_rule {
+ const char *name;
+ bool enabled;
+
+ /* Services and service groups
+ * for which this rule applies
+ */
+ struct hbac_rule_element *services;
+
+ /* Users and groups for which this
+ * rule applies
+ */
+ struct hbac_rule_element *users;
+
+ /* Target hosts for which this rule apples */
+ struct hbac_rule_element *targethosts;
+
+ /* Source hosts for which this rule applies */
+ struct hbac_rule_element *srchosts;
+
+ /* For future use */
+ struct hbac_time_rules *timerules;
+};
+
+struct hbac_request_element {
+ const char *name;
+ const char **groups;
+};
+
+struct hbac_eval_req {
+ /* This is a list of service DNs to check,
+ * it must consist of the actual service
+ * requested, as well as all parent groups
+ * containing that service.
+ */
+ struct hbac_request_element *service;
+
+ /* This is a list of user DNs to check,
+ * it must consist of the actual user
+ * requested, as well as all parent groups
+ * containing that user.
+ */
+ struct hbac_request_element *user;
+
+ /* This is a list of target hosts to check,
+ * it must consist of the actual target host
+ * requested, as well as all parent groups
+ * containing that target host.
+ */
+ struct hbac_request_element *targethost;
+
+ /* This is a list of source hosts to check,
+ * it must consist of the actual source host
+ * requested, as well as all parent groups
+ * containing that source host.
+ */
+ struct hbac_request_element *srchost;
+
+ /* For future use */
+ time_t request_time;
+};
+
+enum hbac_error_code {
+ HBAC_ERROR_UNKNOWN = -1,
+ HBAC_SUCCESS,
+ HBAC_ERROR_NOT_IMPLEMENTED,
+ HBAC_ERROR_OUT_OF_MEMORY,
+ HBAC_ERROR_UNPARSEABLE_RULE
+};
+
+/* Extended information */
+struct hbac_info {
+ /* If the hbac_eval_result was HBAC_EVAL_ERROR,
+ * this will be an error code.
+ * Otherwise it will be HBAC_SUCCESS
+ */
+ enum hbac_error_code code;
+
+ /* Specify the name of the rule that matched or
+ * threw an error
+ */
+ char *rule_name;
+};
+
+
+/**
+ * @brief Evaluate an authorization request against a set of HBAC rules
+ *
+ * @param[in] rules A NULL-terminated list of rules to evaluate against
+ * @param[in] hbac_req A user authorization request
+ * @param[out] info Extended information (including the name of the
+ * rule that allowed access (or caused a parse error)
+ * @return
+ */
+enum hbac_eval_result hbac_evaluate(struct hbac_rule **rules,
+ struct hbac_eval_req *hbac_req,
+ struct hbac_info **info);
+
+const char *hbac_result_string(enum hbac_eval_result result);
+const char *hbac_error_string(enum hbac_error_code code);
+
+void hbac_free_info(struct hbac_info *info);
+
+#endif /* IPA_HBAC_H_ */
diff --git a/src/providers/ipa/ipa_hbac.pc.in b/src/providers/ipa/ipa_hbac.pc.in
new file mode 100644
index 000000000..9d799e850
--- /dev/null
+++ b/src/providers/ipa/ipa_hbac.pc.in
@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: ipa_hbac
+Description: FreeIPA HBAC Evaluator library
+Version: @VERSION@
+Libs: -L$(libdir) -lipa_hbac
+Cflags:
+URL: http://fedorahosted.org/sssd/
diff --git a/src/tests/ipa_hbac-tests.c b/src/tests/ipa_hbac-tests.c
new file mode 100644
index 000000000..2038812df
--- /dev/null
+++ b/src/tests/ipa_hbac-tests.c
@@ -0,0 +1,618 @@
+/*
+ SSSD
+
+ Authors:
+ Stephen Gallagher <sgallagh@redhat.com>
+
+ Copyright (C) 2011 Red Hat
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+#include <stdlib.h>
+#include <check.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <talloc.h>
+
+#include "tests/common.h"
+#include "providers/ipa/ipa_hbac.h"
+
+#define HBAC_TEST_USER "testuser"
+#define HBAC_TEST_INVALID_USER "nosuchuser"
+
+#define HBAC_TEST_GROUP1 "testgroup1"
+#define HBAC_TEST_GROUP2 "testgroup2"
+#define HBAC_TEST_INVALID_GROUP "nosuchgroup"
+
+#define HBAC_TEST_SERVICE "testservice"
+#define HBAC_TEST_INVALID_SERVICE "nosuchservice"
+
+#define HBAC_TEST_SERVICEGROUP1 "login_services"
+#define HBAC_TEST_SERVICEGROUP2 "all_services"
+#define HBAC_TEST_INVALID_SERVICEGROUP "nosuchservicegroup"
+
+#define HBAC_TEST_SRCHOST "client.example.com"
+#define HBAC_TEST_INVALID_SRCHOST "nosuchsrchost"
+
+#define HBAC_TEST_SRCHOSTGROUP1 "site_hosts"
+#define HBAC_TEST_SRCHOSTGROUP2 "corp_hosts"
+#define HBAC_TEST_INVALID_SRCHOSTGROUP "nosuchsrchostgroup"
+
+static void get_allow_all_rule(TALLOC_CTX *mem_ctx,
+ struct hbac_rule **allow_rule)
+{
+ struct hbac_rule *rule;
+ /* Create a rule that ALLOWs all services, users and
+ * remote hosts.
+ */
+ rule = talloc_zero(mem_ctx, struct hbac_rule);
+ fail_if (rule == NULL);
+
+ rule->enabled = true;
+
+ rule->services = talloc_zero(rule, struct hbac_rule_element);
+ fail_if (rule->services == NULL);
+ rule->services->category = HBAC_CATEGORY_ALL;
+ rule->services->names = NULL;
+ rule->services->groups = NULL;
+
+ rule->users = talloc_zero(rule, struct hbac_rule_element);
+ fail_if (rule->users == NULL);
+ rule->users->category = HBAC_CATEGORY_ALL;
+ rule->users->names = NULL;
+ rule->users->groups = NULL;
+
+ rule->targethosts = talloc_zero(rule, struct hbac_rule_element);
+ fail_if (rule->targethosts == NULL);
+ rule->targethosts->category = HBAC_CATEGORY_ALL;
+ rule->targethosts->names = NULL;
+ rule->targethosts->groups = NULL;
+
+ rule->srchosts = talloc_zero(rule, struct hbac_rule_element);
+ fail_if (rule->srchosts == NULL);
+ rule->srchosts->category = HBAC_CATEGORY_ALL;
+ rule->srchosts->names = NULL;
+ rule->srchosts->groups = NULL;
+
+ *allow_rule = rule;
+}
+
+static void get_test_user(TALLOC_CTX *mem_ctx,
+ struct hbac_request_element **user)
+{
+ struct hbac_request_element *new_user;
+
+ new_user = talloc_zero(mem_ctx, struct hbac_request_element);
+ fail_if (new_user == NULL);
+
+ new_user->name = talloc_strdup(new_user, HBAC_TEST_USER);
+ fail_if(new_user->name == NULL);
+
+ new_user->groups = talloc_array(new_user, const char *, 3);
+ fail_if(new_user->groups == NULL);
+
+ new_user->groups[0] = talloc_strdup(new_user->groups, HBAC_TEST_GROUP1);
+ fail_if(new_user->groups[0] == NULL);
+
+ new_user->groups[1] = talloc_strdup(new_user->groups, HBAC_TEST_GROUP2);
+ fail_if(new_user->groups[1] == NULL);
+
+ new_user->groups[2] = NULL;
+
+ *user = new_user;
+}
+
+static void get_test_service(TALLOC_CTX *mem_ctx,
+ struct hbac_request_element **service)
+{
+ struct hbac_request_element *new_service;
+
+ new_service = talloc_zero(mem_ctx, struct hbac_request_element);
+ fail_if (new_service == NULL);
+
+ new_service->name = talloc_strdup(new_service, HBAC_TEST_SERVICE);
+ fail_if(new_service->name == NULL);
+
+ new_service->groups = talloc_array(new_service, const char *, 3);
+ fail_if(new_service->groups == NULL);
+
+ new_service->groups[0] = talloc_strdup(new_service->groups, HBAC_TEST_SERVICEGROUP1);
+ fail_if(new_service->groups[0] == NULL);
+
+ new_service->groups[1] = talloc_strdup(new_service->groups, HBAC_TEST_SERVICEGROUP2);
+ fail_if(new_service->groups[1] == NULL);
+
+ new_service->groups[2] = NULL;
+
+ *service = new_service;
+}
+
+static void get_test_srchost(TALLOC_CTX *mem_ctx,
+ struct hbac_request_element **srchost)
+{
+ struct hbac_request_element *new_srchost;
+
+ new_srchost = talloc_zero(mem_ctx, struct hbac_request_element);
+ fail_if (new_srchost == NULL);
+
+ new_srchost->name = talloc_strdup(new_srchost, "client.example.com");
+ fail_if(new_srchost->name == NULL);
+
+ new_srchost->groups = talloc_array(new_srchost, const char *, 3);
+ fail_if(new_srchost->groups == NULL);
+
+ new_srchost->groups[0] = talloc_strdup(new_srchost->groups, "site_hosts");
+ fail_if(new_srchost->groups[0] == NULL);
+
+ new_srchost->groups[1] = talloc_strdup(new_srchost->groups, "corp_hosts");
+ fail_if(new_srchost->groups[1] == NULL);
+
+ new_srchost->groups[2] = NULL;
+
+ *srchost = new_srchost;
+}
+
+START_TEST(ipa_hbac_test_allow_all)
+{
+ enum hbac_eval_result result;
+ TALLOC_CTX *test_ctx;
+ struct hbac_rule **rules;
+ struct hbac_eval_req *eval_req;
+ struct hbac_info *info;
+
+ test_ctx = talloc_new(global_talloc_context);
+
+ /* Create a request */
+ eval_req = talloc_zero(test_ctx, struct hbac_eval_req);
+ fail_if (eval_req == NULL);
+
+ get_test_user(eval_req, &eval_req->user);
+ get_test_service(eval_req, &eval_req->service);
+ get_test_srchost(eval_req, &eval_req->srchost);
+
+ /* Create the rules to evaluate against */
+ rules = talloc_array(test_ctx, struct hbac_rule *, 2);
+ fail_if (rules == NULL);
+
+ get_allow_all_rule(rules, &rules[0]);
+ rules[0]->name = talloc_strdup(rules[0], "Allow All");
+ fail_if(rules[0]->name == NULL);
+ rules[1] = NULL;
+
+ /* Evaluate the rules */
+ result = hbac_evaluate(rules, eval_req, &info);
+ fail_unless(result == HBAC_EVAL_ALLOW,
+ "Expected [%s], got [%s]; "
+ "Error: [%s]",
+ hbac_result_string(HBAC_EVAL_ALLOW),
+ hbac_result_string(result),
+ info ? hbac_error_string(info->code):"Unknown");
+
+ talloc_free(test_ctx);
+}
+END_TEST
+
+START_TEST(ipa_hbac_test_allow_user)
+{
+ enum hbac_eval_result result;
+ TALLOC_CTX *test_ctx;
+ struct hbac_rule **rules;
+ struct hbac_eval_req *eval_req;
+ struct hbac_info *info;
+
+ test_ctx = talloc_new(global_talloc_context);
+
+ /* Create a request */
+ eval_req = talloc_zero(test_ctx, struct hbac_eval_req);
+ fail_if (eval_req == NULL);
+
+ get_test_user(eval_req, &eval_req->user);
+ get_test_service(eval_req, &eval_req->service);
+ get_test_srchost(eval_req, &eval_req->srchost);
+
+ /* Create the rules to evaluate against */
+ rules = talloc_array(test_ctx, struct hbac_rule *, 2);
+ fail_if (rules == NULL);
+
+ get_allow_all_rule(rules, &rules[0]);
+
+ /* Modify the rule to allow only a specific user */
+ rules[0]->name = talloc_strdup(rules[0], "Allow user");
+ fail_if(rules[0]->name == NULL);
+ rules[0]->users->category = HBAC_CATEGORY_NULL;
+
+ rules[0]->users->names = talloc_array(rules[0], const char *, 2);
+ fail_if(rules[0]->users->names == NULL);
+
+ rules[0]->users->names[0] = HBAC_TEST_USER;
+ rules[0]->users->names[1] = NULL;
+
+ rules[1] = NULL;
+
+ /* Evaluate the rules */
+ result = hbac_evaluate(rules, eval_req, &info);
+ fail_unless(result == HBAC_EVAL_ALLOW,
+ "Expected [%s], got [%s]; "
+ "Error: [%s]",
+ hbac_result_string(HBAC_EVAL_ALLOW),
+ hbac_result_string(result),
+ info ? hbac_error_string(info->code):"Unknown");
+
+ /* Negative test */
+ rules[0]->users->names[0] = HBAC_TEST_INVALID_USER;
+
+ /* Evaluate the rules */
+ result = hbac_evaluate(rules, eval_req, &info);
+ fail_unless(result == HBAC_EVAL_DENY,
+ "Expected [%s], got [%s]; "
+ "Error: [%s]",
+ hbac_result_string(HBAC_EVAL_DENY),
+ hbac_result_string(result),
+ info ? hbac_error_string(info->code):"Unknown");
+
+ talloc_free(test_ctx);
+}
+END_TEST
+
+START_TEST(ipa_hbac_test_allow_group)
+{
+ enum hbac_eval_result result;
+ TALLOC_CTX *test_ctx;
+ struct hbac_rule **rules;
+ struct hbac_eval_req *eval_req;
+ struct hbac_info *info;
+
+ test_ctx = talloc_new(global_talloc_context);
+
+ /* Create a request */
+ eval_req = talloc_zero(test_ctx, struct hbac_eval_req);
+ fail_if (eval_req == NULL);
+
+ get_test_user(eval_req, &eval_req->user);
+ get_test_service(eval_req, &eval_req->service);
+ get_test_srchost(eval_req, &eval_req->srchost);
+
+ /* Create the rules to evaluate against */
+ rules = talloc_array(test_ctx, struct hbac_rule *, 2);
+ fail_if (rules == NULL);
+
+ get_allow_all_rule(rules, &rules[0]);
+
+ /* Modify the rule to allow only a group of users */
+ rules[0]->name = talloc_strdup(rules[0], "Allow group");
+ fail_if(rules[0]->name == NULL);
+ rules[0]->users->category = HBAC_CATEGORY_NULL;
+
+ rules[0]->users->names = NULL;
+ rules[0]->users->groups = talloc_array(rules[0], const char *, 2);
+ fail_if(rules[0]->users->groups == NULL);
+
+ rules[0]->users->groups[0] = HBAC_TEST_GROUP1;
+ rules[0]->users->groups[1] = NULL;
+
+ rules[1] = NULL;
+
+ /* Evaluate the rules */
+ result = hbac_evaluate(rules, eval_req, &info);
+ fail_unless(result == HBAC_EVAL_ALLOW,
+ "Expected [%s], got [%s]; "
+ "Error: [%s]",
+ hbac_result_string(HBAC_EVAL_ALLOW),
+ hbac_result_string(result),
+ info ? hbac_error_string(info->code):"Unknown");
+
+ /* Negative test */
+ rules[0]->users->groups[0] = HBAC_TEST_INVALID_GROUP;
+
+ /* Evaluate the rules */
+ result = hbac_evaluate(rules, eval_req, &info);
+ fail_unless(result == HBAC_EVAL_DENY,
+ "Expected [%s], got [%s]; "
+ "Error: [%s]",
+ hbac_result_string(HBAC_EVAL_DENY),
+ hbac_result_string(result),
+ info ? hbac_error_string(info->code):"Unknown");
+
+ talloc_free(test_ctx);
+}
+END_TEST
+
+START_TEST(ipa_hbac_test_allow_svc)
+{
+ enum hbac_eval_result result;
+ TALLOC_CTX *test_ctx;
+ struct hbac_rule **rules;
+ struct hbac_eval_req *eval_req;
+ struct hbac_info *info;
+
+ test_ctx = talloc_new(global_talloc_context);
+
+ /* Create a request */
+ eval_req = talloc_zero(test_ctx, struct hbac_eval_req);
+ fail_if (eval_req == NULL);
+
+ get_test_user(eval_req, &eval_req->user);
+ get_test_service(eval_req, &eval_req->service);
+ get_test_srchost(eval_req, &eval_req->srchost);
+
+ /* Create the rules to evaluate against */
+ rules = talloc_array(test_ctx, struct hbac_rule *, 2);
+ fail_if (rules == NULL);
+
+ get_allow_all_rule(rules, &rules[0]);
+
+ /* Modify the rule to allow only a specific service */
+ rules[0]->name = talloc_strdup(rules[0], "Allow service");
+ fail_if(rules[0]->name == NULL);
+ rules[0]->services->category = HBAC_CATEGORY_NULL;
+
+ rules[0]->services->names = talloc_array(rules[0], const char *, 2);
+ fail_if(rules[0]->services->names == NULL);
+
+ rules[0]->services->names[0] = HBAC_TEST_SERVICE;
+ rules[0]->services->names[1] = NULL;
+
+ rules[1] = NULL;
+
+ /* Evaluate the rules */
+ result = hbac_evaluate(rules, eval_req, &info);
+ fail_unless(result == HBAC_EVAL_ALLOW,
+ "Expected [%s], got [%s]; "
+ "Error: [%s]",
+ hbac_result_string(HBAC_EVAL_ALLOW),
+ hbac_result_string(result),
+ info ? hbac_error_string(info->code):"Unknown");
+
+ /* Negative test */
+ rules[0]->services->names[0] = HBAC_TEST_INVALID_SERVICE;
+
+ /* Evaluate the rules */
+ result = hbac_evaluate(rules, eval_req, &info);
+ fail_unless(result == HBAC_EVAL_DENY,
+ "Expected [%s], got [%s]; "
+ "Error: [%s]",
+ hbac_result_string(HBAC_EVAL_DENY),
+ hbac_result_string(result),
+ info ? hbac_error_string(info->code):"Unknown");
+
+ talloc_free(test_ctx);
+}
+END_TEST
+
+START_TEST(ipa_hbac_test_allow_svcgroup)
+{
+ enum hbac_eval_result result;
+ TALLOC_CTX *test_ctx;
+ struct hbac_rule **rules;
+ struct hbac_eval_req *eval_req;
+ struct hbac_info *info;
+
+ test_ctx = talloc_new(global_talloc_context);
+
+ /* Create a request */
+ eval_req = talloc_zero(test_ctx, struct hbac_eval_req);
+ fail_if (eval_req == NULL);
+
+ get_test_user(eval_req, &eval_req->user);
+ get_test_service(eval_req, &eval_req->service);
+ get_test_srchost(eval_req, &eval_req->srchost);
+
+ /* Create the rules to evaluate against */
+ rules = talloc_array(test_ctx, struct hbac_rule *, 2);
+ fail_if (rules == NULL);
+
+ get_allow_all_rule(rules, &rules[0]);
+
+ /* Modify the rule to allow only a group of users */
+ rules[0]->name = talloc_strdup(rules[0], "Allow servicegroup");
+ fail_if(rules[0]->name == NULL);
+ rules[0]->services->category = HBAC_CATEGORY_NULL;
+
+ rules[0]->services->names = NULL;
+ rules[0]->services->groups = talloc_array(rules[0], const char *, 2);
+ fail_if(rules[0]->services->groups == NULL);
+
+ rules[0]->services->groups[0] = HBAC_TEST_SERVICEGROUP1;
+ rules[0]->services->groups[1] = NULL;
+
+ rules[1] = NULL;
+
+ /* Evaluate the rules */
+ result = hbac_evaluate(rules, eval_req, &info);
+ fail_unless(result == HBAC_EVAL_ALLOW,
+ "Expected [%s], got [%s]; "
+ "Error: [%s]",
+ hbac_result_string(HBAC_EVAL_ALLOW),
+ hbac_result_string(result),
+ info ? hbac_error_string(info->code):"Unknown");
+
+ /* Negative test */
+ rules[0]->services->groups[0] = HBAC_TEST_INVALID_SERVICEGROUP;
+
+ /* Evaluate the rules */
+ result = hbac_evaluate(rules, eval_req, &info);
+ fail_unless(result == HBAC_EVAL_DENY,
+ "Expected [%s], got [%s]; "
+ "Error: [%s]",
+ hbac_result_string(HBAC_EVAL_DENY),
+ hbac_result_string(result),
+ info ? hbac_error_string(info->code):"Unknown");
+
+ talloc_free(test_ctx);
+}
+END_TEST
+
+START_TEST(ipa_hbac_test_allow_srchost)
+{
+ enum hbac_eval_result result;
+ TALLOC_CTX *test_ctx;
+ struct hbac_rule **rules;
+ struct hbac_eval_req *eval_req;
+ struct hbac_info *info;
+
+ test_ctx = talloc_new(global_talloc_context);
+
+ /* Create a request */
+ eval_req = talloc_zero(test_ctx, struct hbac_eval_req);
+ fail_if (eval_req == NULL);
+
+ get_test_user(eval_req, &eval_req->user);
+ get_test_service(eval_req, &eval_req->service);
+ get_test_srchost(eval_req, &eval_req->srchost);
+
+ /* Create the rules to evaluate against */
+ rules = talloc_array(test_ctx, struct hbac_rule *, 2);
+ fail_if (rules == NULL);
+
+ get_allow_all_rule(rules, &rules[0]);
+
+ /* Modify the rule to allow only a specific service */
+ rules[0]->name = talloc_strdup(rules[0], "Allow srchost");
+ fail_if(rules[0]->name == NULL);
+ rules[0]->srchosts->category = HBAC_CATEGORY_NULL;
+
+ rules[0]->srchosts->names = talloc_array(rules[0], const char *, 2);
+ fail_if(rules[0]->srchosts->names == NULL);
+
+ rules[0]->srchosts->names[0] = HBAC_TEST_SRCHOST;
+ rules[0]->srchosts->names[1] = NULL;
+
+ rules[1] = NULL;
+
+ /* Evaluate the rules */
+ result = hbac_evaluate(rules, eval_req, &info);
+ fail_unless(result == HBAC_EVAL_ALLOW,
+ "Expected [%s], got [%s]; "
+ "Error: [%s]",
+ hbac_result_string(HBAC_EVAL_ALLOW),
+ hbac_result_string(result),
+ info ? hbac_error_string(info->code):"Unknown");
+
+ /* Negative test */
+ rules[0]->srchosts->names[0] = HBAC_TEST_INVALID_SRCHOST;
+
+ /* Evaluate the rules */
+ result = hbac_evaluate(rules, eval_req, &info);
+ fail_unless(result == HBAC_EVAL_DENY,
+ "Expected [%s], got [%s]; "
+ "Error: [%s](%s)",
+ hbac_result_string(HBAC_EVAL_DENY),
+ hbac_result_string(result),
+ info ? hbac_error_string(info->code):"Unknown");
+
+ talloc_free(test_ctx);
+}
+END_TEST
+
+START_TEST(ipa_hbac_test_allow_srchostgroup)
+{
+ enum hbac_eval_result result;
+ TALLOC_CTX *test_ctx;
+ struct hbac_rule **rules;
+ struct hbac_eval_req *eval_req;
+ struct hbac_info *info;
+
+ test_ctx = talloc_new(global_talloc_context);
+
+ /* Create a request */
+ eval_req = talloc_zero(test_ctx, struct hbac_eval_req);
+ fail_if (eval_req == NULL);
+
+ get_test_user(eval_req, &eval_req->user);
+ get_test_service(eval_req, &eval_req->service);
+ get_test_srchost(eval_req, &eval_req->srchost);
+
+ /* Create the rules to evaluate against */
+ rules = talloc_array(test_ctx, struct hbac_rule *, 2);
+ fail_if (rules == NULL);
+
+ get_allow_all_rule(rules, &rules[0]);
+
+ /* Modify the rule to allow only a group of users */
+ rules[0]->name = talloc_strdup(rules[0], "Allow srchostgroup");
+ fail_if(rules[0]->name == NULL);
+ rules[0]->srchosts->category = HBAC_CATEGORY_NULL;
+
+ rules[0]->srchosts->names = NULL;
+ rules[0]->srchosts->groups = talloc_array(rules[0], const char *, 2);
+ fail_if(rules[0]->srchosts->groups == NULL);
+
+ rules[0]->srchosts->groups[0] = HBAC_TEST_SRCHOSTGROUP1;
+ rules[0]->srchosts->groups[1] = NULL;
+
+ rules[1] = NULL;
+
+ /* Evaluate the rules */
+ result = hbac_evaluate(rules, eval_req, &info);
+ fail_unless(result == HBAC_EVAL_ALLOW,
+ "Expected [%s], got [%s]; "
+ "Error: [%s]",
+ hbac_result_string(HBAC_EVAL_ALLOW),
+ hbac_result_string(result),
+ info ? hbac_error_string(info->code):"Unknown");
+
+ /* Negative test */
+ rules[0]->srchosts->groups[0] = HBAC_TEST_INVALID_SRCHOSTGROUP;
+
+ /* Evaluate the rules */
+ result = hbac_evaluate(rules, eval_req, &info);
+ fail_unless(result == HBAC_EVAL_DENY,
+ "Expected [%s], got [%s]; "
+ "Error: [%s]",
+ hbac_result_string(HBAC_EVAL_DENY),
+ hbac_result_string(result),
+ info ? hbac_error_string(info->code):"Unknown");
+
+ talloc_free(test_ctx);
+}
+END_TEST
+
+Suite *hbac_test_suite (void)
+{
+ Suite *s = suite_create ("HBAC");
+
+ TCase *tc_hbac = tcase_create("HBAC_rules");
+ tcase_add_checked_fixture(tc_hbac,
+ leak_check_setup,
+ leak_check_teardown);
+
+ tcase_add_test(tc_hbac, ipa_hbac_test_allow_all);
+ tcase_add_test(tc_hbac, ipa_hbac_test_allow_user);
+ tcase_add_test(tc_hbac, ipa_hbac_test_allow_group);
+ tcase_add_test(tc_hbac, ipa_hbac_test_allow_svc);
+ tcase_add_test(tc_hbac, ipa_hbac_test_allow_svcgroup);
+ tcase_add_test(tc_hbac, ipa_hbac_test_allow_srchost);
+ tcase_add_test(tc_hbac, ipa_hbac_test_allow_srchostgroup);
+
+ suite_add_tcase(s, tc_hbac);
+ return s;
+}
+
+int main(int argc, const char *argv[])
+{
+ int number_failed;
+
+ tests_set_cwd();
+
+ Suite *s = hbac_test_suite();
+ SRunner *sr = srunner_create(s);
+
+ /* If CK_VERBOSITY is set, use that, otherwise it defaults to CK_NORMAL */
+ srunner_run_all(sr, CK_ENV);
+ number_failed = srunner_ntests_failed (sr);
+ srunner_free (sr);
+
+ return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
+}