asterisk/tests/test_acl.c

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13 KiB
C
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2023-05-25 18:45:57 +00:00
/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2010, Digium, Inc.
*
* Mark Michelson <mmichelson@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*!
* \file
* \brief ACL unit tests
*
* \author Mark Michelson <mmichelson@digium.com>
*
*/
/*** MODULEINFO
<depend>TEST_FRAMEWORK</depend>
<support_level>core</support_level>
***/
#include "asterisk.h"
#include "asterisk/test.h"
#include "asterisk/acl.h"
#include "asterisk/module.h"
#include "asterisk/netsock2.h"
#include "asterisk/config.h"
AST_TEST_DEFINE(invalid_acl)
{
const char * invalid_acls[] = {
/* Negative netmask */
"1.3.3.7/-1",
/* Netmask too large */
"1.3.3.7/33",
/* Netmask waaaay too large */
"1.3.3.7/92342348927389492307420",
/* Netmask non-numeric */
"1.3.3.7/California",
/* Too many octets in Netmask */
"1.3.3.7/255.255.255.255.255",
/* Octets in IP address exceed 255 */
"57.60.278.900/31",
/* Octets in IP address exceed 255 and are negative */
"400.32.201029.-6/24",
/* Invalidly formatted IP address */
"EGGSOFDEATH/4000",
/* Too many octets in IP address */
"33.4.7.8.3/300030",
/* Too many octets in Netmask */
"1.2.3.4/6.7.8.9.0",
/* Too many octets in IP address */
"3.1.4.1.5.9/3",
/* IPv6 address has multiple double colons */
"ff::ff::ff/3",
/* IPv6 address is too long */
"1234:5678:90ab:cdef:1234:5678:90ab:cdef:1234/56",
/* IPv6 netmask is too large */
"::ffff/129",
/* IPv4-mapped IPv6 address has too few octets */
"::ffff:255.255.255/128",
/* Leading and trailing colons for IPv6 address */
":1234:/15",
/* IPv6 address and IPv4 netmask */
"fe80::1234/255.255.255.0",
};
enum ast_test_result_state res = AST_TEST_PASS;
struct ast_ha *ha = NULL;
int i;
switch (cmd) {
case TEST_INIT:
info->name = "invalid_acl";
info->category = "/main/acl/";
info->summary = "Invalid ACL unit test";
info->description =
"Ensures that garbage ACL values are not accepted";
return AST_TEST_NOT_RUN;
case TEST_EXECUTE:
break;
}
for (i = 0; i < ARRAY_LEN(invalid_acls); ++i) {
int err = 0;
ha = ast_append_ha("permit", invalid_acls[i], ha, &err);
if (ha || !err) {
ast_test_status_update(test, "ACL %s accepted even though it is total garbage.\n",
invalid_acls[i]);
if (ha) {
ast_free_ha(ha);
}
res = AST_TEST_FAIL;
}
}
return res;
}
struct acl {
const char *host;
const char *access;
};
/* These constants are defined for the sole purpose of being shorter
* than their real names. It makes lines in this test quite a bit shorter
*/
#define TACL_A AST_SENSE_ALLOW
#define TACL_D AST_SENSE_DENY
static int build_ha(const struct acl *acl, size_t len, struct ast_ha **ha, const char *acl_name, int *err, struct ast_test *test, enum ast_test_result_state *res)
{
size_t i;
for (i = 0; i < len; ++i) {
if (!(*ha = ast_append_ha(acl[i].access, acl[i].host, *ha, err))) {
ast_test_status_update(test, "Failed to add rule %s with access %s to %s\n",
acl[i].host, acl[i].access, acl_name);
*res = AST_TEST_FAIL;
return -1;
}
}
return 0;
}
AST_TEST_DEFINE(acl)
{
struct acl permitallv4 = { "0.0.0.0/0", "permit" };
struct acl denyallv4 = { "0.0.0.0/0", "deny" };
struct acl permitallv6 = { "::/0", "permit" };
struct acl denyallv6 = { "::/0", "deny" };
struct acl acl1[] = {
{ "0.0.0.0/0.0.0.0", "deny" },
{ "10.0.0.0/255.0.0.0", "permit" },
{ "192.168.0.0/255.255.255.0", "permit" },
};
struct acl acl2[] = {
{ "10.0.0.0/8", "deny" },
{ "10.0.0.0/8", "permit" },
{ "10.0.0.0/16", "deny" },
{ "10.0.0.0/24", "permit" },
};
struct acl acl3[] = {
{ "::/0", "deny" },
{ "fe80::/64", "permit" },
};
struct acl acl4[] = {
{ "::/0", "deny" },
{ "fe80::/64", "permit" },
{ "fe80::ffff:0:0:0/80", "deny" },
{ "fe80::ffff:0:ffff:0/112", "permit" },
};
struct acl acl5[] = {
{ "0.0.0.0/0.0.0.0", "deny" },
{ "10.0.0.0/255.0.0.0,192.168.0.0/255.255.255.0", "permit" },
};
struct acl acl6[] = {
{ "10.0.0.0/8", "deny" },
{ "10.0.0.0/8", "permit" },
{ "10.0.0.0/16,!10.0.0.0/24", "deny" },
};
struct acl acl7[] = {
{ "::/0,!fe80::/64", "deny" },
{ "fe80::ffff:0:0:0/80", "deny" },
{ "fe80::ffff:0:ffff:0/112", "permit" },
};
struct {
const char *test_address;
int v4_permitall_result;
int v4_denyall_result;
int v6_permitall_result;
int v6_denyall_result;
int acl1_result;
int acl2_result;
int acl3_result;
int acl4_result;
int acl5_result;
int acl6_result;
int acl7_result;
} acl_tests[] = {
{ "10.1.1.5", TACL_A, TACL_D, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A },
{ "192.168.0.5", TACL_A, TACL_D, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A },
{ "192.168.1.5", TACL_A, TACL_D, TACL_A, TACL_A, TACL_D, TACL_A, TACL_A, TACL_A, TACL_D, TACL_A, TACL_A },
{ "10.0.0.1", TACL_A, TACL_D, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A },
{ "10.0.10.10", TACL_A, TACL_D, TACL_A, TACL_A, TACL_A, TACL_D, TACL_A, TACL_A, TACL_A, TACL_D, TACL_A },
{ "172.16.0.1", TACL_A, TACL_D, TACL_A, TACL_A, TACL_D, TACL_A, TACL_A, TACL_A, TACL_D, TACL_A, TACL_A },
{ "fe80::1234", TACL_A, TACL_A, TACL_A, TACL_D, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A },
{ "fe80::ffff:1213:dead:beef", TACL_A, TACL_A, TACL_A, TACL_D, TACL_A, TACL_A, TACL_A, TACL_D, TACL_A, TACL_A, TACL_D },
{ "fe80::ffff:0:ffff:ABCD", TACL_A, TACL_A, TACL_A, TACL_D, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A, TACL_A },
};
struct ast_ha *permit_hav4 = NULL;
struct ast_ha *deny_hav4 = NULL;
struct ast_ha *permit_hav6 = NULL;
struct ast_ha *deny_hav6 = NULL;
struct ast_ha *ha1 = NULL;
struct ast_ha *ha2 = NULL;
struct ast_ha *ha3 = NULL;
struct ast_ha *ha4 = NULL;
struct ast_ha *ha5 = NULL;
struct ast_ha *ha6 = NULL;
struct ast_ha *ha7 = NULL;
enum ast_test_result_state res = AST_TEST_PASS;
int err = 0;
int i;
switch (cmd) {
case TEST_INIT:
info->name = "acl";
info->category = "/main/acl/";
info->summary = "ACL unit test";
info->description =
"Tests that hosts are properly permitted or denied";
return AST_TEST_NOT_RUN;
case TEST_EXECUTE:
break;
}
if (!(permit_hav4 = ast_append_ha(permitallv4.access, permitallv4.host, permit_hav4, &err))) {
ast_test_status_update(test, "Failed to create permit_all ACL\n");
res = AST_TEST_FAIL;
goto acl_cleanup;
}
if (!(deny_hav4 = ast_append_ha(denyallv4.access, denyallv4.host, deny_hav4, &err))) {
ast_test_status_update(test, "Failed to create deny_all ACL\n");
res = AST_TEST_FAIL;
goto acl_cleanup;
}
if (!(permit_hav6 = ast_append_ha(permitallv6.access, permitallv6.host, permit_hav6, &err))) {
ast_test_status_update(test, "Failed to create permit_all ACL\n");
res = AST_TEST_FAIL;
goto acl_cleanup;
}
if (!(deny_hav6 = ast_append_ha(denyallv6.access, denyallv6.host, deny_hav6, &err))) {
ast_test_status_update(test, "Failed to create deny_all ACL\n");
res = AST_TEST_FAIL;
goto acl_cleanup;
}
if (build_ha(acl1, ARRAY_LEN(acl1), &ha1, "ha1", &err, test, &res) != 0) {
goto acl_cleanup;
}
if (build_ha(acl2, ARRAY_LEN(acl2), &ha2, "ha2", &err, test, &res) != 0) {
goto acl_cleanup;
}
if (build_ha(acl3, ARRAY_LEN(acl3), &ha3, "ha3", &err, test, &res) != 0) {
goto acl_cleanup;
}
if (build_ha(acl4, ARRAY_LEN(acl4), &ha4, "ha4", &err, test, &res) != 0) {
goto acl_cleanup;
}
if (build_ha(acl5, ARRAY_LEN(acl5), &ha5, "ha5", &err, test, &res) != 0) {
goto acl_cleanup;
}
if (build_ha(acl6, ARRAY_LEN(acl6), &ha6, "ha6", &err, test, &res) != 0) {
goto acl_cleanup;
}
if (build_ha(acl7, ARRAY_LEN(acl7), &ha7, "ha7", &err, test, &res) != 0) {
goto acl_cleanup;
}
for (i = 0; i < ARRAY_LEN(acl_tests); ++i) {
struct ast_sockaddr addr;
int permit_resv4;
int permit_resv6;
int deny_resv4;
int deny_resv6;
int acl1_res;
int acl2_res;
int acl3_res;
int acl4_res;
int acl5_res;
int acl6_res;
int acl7_res;
ast_sockaddr_parse(&addr, acl_tests[i].test_address, PARSE_PORT_FORBID);
permit_resv4 = ast_apply_ha(permit_hav4, &addr);
deny_resv4 = ast_apply_ha(deny_hav4, &addr);
permit_resv6 = ast_apply_ha(permit_hav6, &addr);
deny_resv6 = ast_apply_ha(deny_hav6, &addr);
acl1_res = ast_apply_ha(ha1, &addr);
acl2_res = ast_apply_ha(ha2, &addr);
acl3_res = ast_apply_ha(ha3, &addr);
acl4_res = ast_apply_ha(ha4, &addr);
acl5_res = ast_apply_ha(ha5, &addr);
acl6_res = ast_apply_ha(ha6, &addr);
acl7_res = ast_apply_ha(ha7, &addr);
if (permit_resv4 != acl_tests[i].v4_permitall_result) {
ast_test_status_update(test, "Access not as expected to %s on permitallv4. Expected %d but "
"got %d instead\n", acl_tests[i].test_address, acl_tests[i].v4_permitall_result, permit_resv4);
res = AST_TEST_FAIL;
goto acl_cleanup;
}
if (deny_resv4 != acl_tests[i].v4_denyall_result) {
ast_test_status_update(test, "Access not as expected to %s on denyallv4. Expected %d but "
"got %d instead\n", acl_tests[i].test_address, acl_tests[i].v4_denyall_result, deny_resv4);
res = AST_TEST_FAIL;
goto acl_cleanup;
}
if (permit_resv6 != acl_tests[i].v6_permitall_result) {
ast_test_status_update(test, "Access not as expected to %s on permitallv6. Expected %d but "
"got %d instead\n", acl_tests[i].test_address, acl_tests[i].v6_permitall_result, permit_resv6);
res = AST_TEST_FAIL;
goto acl_cleanup;
}
if (deny_resv6 != acl_tests[i].v6_denyall_result) {
ast_test_status_update(test, "Access not as expected to %s on denyallv6. Expected %d but "
"got %d instead\n", acl_tests[i].test_address, acl_tests[i].v6_denyall_result, deny_resv6);
res = AST_TEST_FAIL;
goto acl_cleanup;
}
if (acl1_res != acl_tests[i].acl1_result) {
ast_test_status_update(test, "Access not as expected to %s on acl1. Expected %d but "
"got %d instead\n", acl_tests[i].test_address, acl_tests[i].acl1_result, acl1_res);
res = AST_TEST_FAIL;
goto acl_cleanup;
}
if (acl2_res != acl_tests[i].acl2_result) {
ast_test_status_update(test, "Access not as expected to %s on acl2. Expected %d but "
"got %d instead\n", acl_tests[i].test_address, acl_tests[i].acl2_result, acl2_res);
res = AST_TEST_FAIL;
goto acl_cleanup;
}
if (acl3_res != acl_tests[i].acl3_result) {
ast_test_status_update(test, "Access not as expected to %s on acl3. Expected %d but "
"got %d instead\n", acl_tests[i].test_address, acl_tests[i].acl3_result, acl3_res);
res = AST_TEST_FAIL;
goto acl_cleanup;
}
if (acl4_res != acl_tests[i].acl4_result) {
ast_test_status_update(test, "Access not as expected to %s on acl4. Expected %d but "
"got %d instead\n", acl_tests[i].test_address, acl_tests[i].acl4_result, acl4_res);
res = AST_TEST_FAIL;
goto acl_cleanup;
}
if (acl5_res != acl_tests[i].acl5_result) {
ast_test_status_update(test, "Access not as expected to %s on acl5. Expected %d but "
"got %d instead\n", acl_tests[i].test_address, acl_tests[i].acl5_result, acl5_res);
res = AST_TEST_FAIL;
goto acl_cleanup;
}
if (acl6_res != acl_tests[i].acl6_result) {
ast_test_status_update(test, "Access not as expected to %s on acl6. Expected %d but "
"got %d instead\n", acl_tests[i].test_address, acl_tests[i].acl6_result, acl6_res);
res = AST_TEST_FAIL;
goto acl_cleanup;
}
if (acl7_res != acl_tests[i].acl7_result) {
ast_test_status_update(test, "Access not as expected to %s on acl7. Expected %d but "
"got %d instead\n", acl_tests[i].test_address, acl_tests[i].acl7_result, acl7_res);
res = AST_TEST_FAIL;
goto acl_cleanup;
}
}
acl_cleanup:
if (permit_hav4) {
ast_free_ha(permit_hav4);
}
if (deny_hav4) {
ast_free_ha(deny_hav4);
}
if (permit_hav6) {
ast_free_ha(permit_hav6);
}
if (deny_hav6) {
ast_free_ha(deny_hav6);
}
if (ha1) {
ast_free_ha(ha1);
}
if (ha2) {
ast_free_ha(ha2);
}
if (ha3) {
ast_free_ha(ha3);
}
if (ha4) {
ast_free_ha(ha4);
}
if (ha5) {
ast_free_ha(ha5);
}
if (ha6) {
ast_free_ha(ha6);
}
if (ha7) {
ast_free_ha(ha7);
}
return res;
}
static int unload_module(void)
{
AST_TEST_UNREGISTER(invalid_acl);
AST_TEST_UNREGISTER(acl);
return 0;
}
static int load_module(void)
{
AST_TEST_REGISTER(invalid_acl);
AST_TEST_REGISTER(acl);
return AST_MODULE_LOAD_SUCCESS;
}
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "ACL test module");