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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "TestCommon.h"
#include "gtest/gtest.h"
#include "mozilla/gtest/MozAssertions.h"
#include "mozilla/StaticPrefs_network.h"
#include "mozilla/Preferences.h"
#include "mozilla/net/DNS.h"
#include "nsNetUtil.h"
#include "nsIOService.h"
TEST(TestNetAddrLNAUtil, IPAddressSpaceCategorization)
{
/*--------------------------------------------------------------------------*
| Network | Description | RFC | Scope |
|----------------------|------------------------|-----------|------------------|
127.0.0.0/8 | IPv4 Loopback | RFC1122 | local |
10.0.0.0/8 | Private Use | RFC1918 | private |
100.64.0.0/10 | Carrier-Grade NAT | RFC6598 | private |
172.16.0.0/12 | Private Use | RFC1918 | private |
192.168.0.0/16 | Private Use | RFC1918 | private |
198.18.0.0/15 | Benchmarking | RFC2544 | pref/local
169.254.0.0/16 | Link Local | RFC3927 | private |
::1/128 | IPv6 Loopback | RFC4291 | local |
fc00::/7 | Unique Local | RFC4193 | private |
fe80::/10 | Link-Local Unicast | RFC4291 | private |
::ffff:0:0/96 | IPv4-mapped | RFC4291 | IPv4-mapped
address space |
*--------------------------------------------------------------------------*/
using namespace mozilla::net;
using namespace mozilla;
struct TestCase {
const char* mIp;
nsILoadInfo::IPAddressSpace mExpectedSpace;
};
std::vector<TestCase> testCases = {
// Local IPv4
{"", nsILoadInfo::IPAddressSpace::Unknown},
{"127.0.0.1", nsILoadInfo::IPAddressSpace::Local},
{"198.18.0.0", StaticPrefs::network_lna_benchmarking_is_local()
? nsILoadInfo::IPAddressSpace::Local
: nsILoadInfo::IPAddressSpace::Public},
{"198.19.255.255", StaticPrefs::network_lna_benchmarking_is_local()
? nsILoadInfo::IPAddressSpace::Local
: nsILoadInfo::IPAddressSpace::Public},
// Private IPv4
{"10.0.0.1", nsILoadInfo::IPAddressSpace::Private},
{"100.64.0.1", nsILoadInfo::IPAddressSpace::Private},
{"100.127.255.254", nsILoadInfo::IPAddressSpace::Private},
{"172.16.0.1", nsILoadInfo::IPAddressSpace::Private},
{"172.31.255.255", nsILoadInfo::IPAddressSpace::Private},
{"192.168.1.1", nsILoadInfo::IPAddressSpace::Private},
{"169.254.0.1", nsILoadInfo::IPAddressSpace::Private},
{"169.254.255.254", nsILoadInfo::IPAddressSpace::Private},
// IPv6 Local and Private
{"::1", nsILoadInfo::IPAddressSpace::Local}, // Loopback
{"fc00::", nsILoadInfo::IPAddressSpace::Private}, // Unique Local
{"fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff",
nsILoadInfo::IPAddressSpace::Private},
{"fe80::1", nsILoadInfo::IPAddressSpace::Private}, // Link-local
// IPv4-mapped IPv6 (mapped IPv4, should fall back to IPv4 classification)
{"::ffff:127.0.0.1", nsILoadInfo::IPAddressSpace::Local}, // Loopback
{"::ffff:10.0.0.1", nsILoadInfo::IPAddressSpace::Private}, // Private
{"::ffff:1.1.1.1", nsILoadInfo::IPAddressSpace::Public}, // Public
// Public IPv4
{"8.8.8.8", nsILoadInfo::IPAddressSpace::Public},
{"1.1.1.1", nsILoadInfo::IPAddressSpace::Public},
// Public IPv6
{"2001:4860:4860::8888", nsILoadInfo::IPAddressSpace::Public},
{"2606:4700:4700::1111", nsILoadInfo::IPAddressSpace::Public}};
for (const auto& testCase : testCases) {
NetAddr addr;
addr.InitFromString(nsCString(testCase.mIp));
if (addr.raw.family == AF_INET) {
EXPECT_EQ(addr.GetIpAddressSpace(), testCase.mExpectedSpace)
<< "Failed for IP: " << testCase.mIp;
} else if (addr.raw.family == AF_INET6) {
EXPECT_EQ(addr.GetIpAddressSpace(), testCase.mExpectedSpace)
<< "Failed for IP: " << testCase.mIp;
} else {
EXPECT_EQ(addr.GetIpAddressSpace(), nsILoadInfo::IPAddressSpace::Unknown)
<< "Failed for IP: " << testCase.mIp;
}
}
}
TEST(TestNetAddrLNAUtil, DefaultAndOverrideTransitions)
{
using mozilla::Preferences;
using mozilla::net::NetAddr;
using IPAddressSpace = nsILoadInfo::IPAddressSpace;
struct TestCase {
const char* ip;
uint16_t port;
IPAddressSpace defaultSpace;
IPAddressSpace overrideSpace;
const char* prefName;
};
std::vector<TestCase> testCases = {
// Public -> Private
{"8.8.8.8", 80, IPAddressSpace::Public, IPAddressSpace::Private,
"network.lna.address_space.private.override"},
// Public -> Local
{"8.8.4.4", 53, IPAddressSpace::Public, IPAddressSpace::Local,
"network.lna.address_space.local.override"},
// Private -> Public
{"192.168.0.1", 8080, IPAddressSpace::Private, IPAddressSpace::Public,
"network.lna.address_space.public.override"},
// Private -> Local
{"10.0.0.1", 1234, IPAddressSpace::Private, IPAddressSpace::Local,
"network.lna.address_space.local.override"},
// Local -> Public
{"127.0.0.1", 4444, IPAddressSpace::Local, IPAddressSpace::Public,
"network.lna.address_space.public.override"},
// Local -> Private
{"127.0.0.1", 9999, IPAddressSpace::Local, IPAddressSpace::Private,
"network.lna.address_space.private.override"},
};
for (const auto& tc : testCases) {
NetAddr addr;
addr.InitFromString(nsCString(tc.ip), tc.port);
ASSERT_EQ(addr.GetIpAddressSpace(), tc.defaultSpace)
<< "Expected default space for " << tc.ip << ":" << tc.port;
std::string overrideStr =
std::string(tc.ip) + ":" + std::to_string(tc.port);
Preferences::SetCString(tc.prefName, overrideStr.c_str());
NetAddr overriddenAddr;
overriddenAddr.InitFromString(nsCString(tc.ip), tc.port);
ASSERT_EQ(overriddenAddr.GetIpAddressSpace(), tc.overrideSpace)
<< "Expected override to " << tc.overrideSpace << " for "
<< overrideStr;
// Reset preference and confirm classification returns to default
Preferences::SetCString(tc.prefName, ""_ns);
NetAddr resetAddr;
resetAddr.InitFromString(nsCString(tc.ip), tc.port);
ASSERT_EQ(resetAddr.GetIpAddressSpace(), tc.defaultSpace)
<< "Expected reset back to default space for " << tc.ip;
}
}
TEST(TestNetAddrLNAUtil, ShouldSkipDomainForLNA)
{
using mozilla::Preferences;
// Get nsIOService instance
mozilla::net::nsIOService* ioService = mozilla::net::gIOService;
ASSERT_NE(ioService, nullptr);
// Test with empty preference (should not skip any domains)
Preferences::SetCString("network.lna.skip-domains", ""_ns);
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA("example.com"_ns));
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA("test.example.com"_ns));
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA("localhost"_ns));
// Test exact domain matching
Preferences::SetCString("network.lna.skip-domains",
"example.com,test.org"_ns);
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("example.com"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("test.org"_ns));
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA("sub.example.com"_ns));
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA("example.org"_ns));
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA("notexample.com"_ns));
// Test wildcard domain matching
Preferences::SetCString("network.lna.skip-domains",
"*.example.com,*.test.org"_ns);
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("sub.example.com"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("deep.sub.example.com"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("api.test.org"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA(
"example.com"_ns)); // Should match exact domain too
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA(
"test.org"_ns)); // Should match exact domain too
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA("example.net"_ns));
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA("notexample.com"_ns));
// Test more suffix wildcard patterns
Preferences::SetCString("network.lna.skip-domains",
"*.local,*.internal,*.test"_ns);
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("server.local"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("api.internal"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("service.test"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("deep.subdomain.local"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA(
"local"_ns)); // Should match exact domain too
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA(
"internal"_ns)); // Should match exact domain too
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA("local.example.com"_ns));
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA("localhost"_ns));
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA("example.com"_ns));
// Test mixed patterns (exact and suffix wildcard)
Preferences::SetCString(
"network.lna.skip-domains",
"localhost,*.dev.local,*.staging.com,production.example.com"_ns);
// Exact matches
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("localhost"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("production.example.com"_ns));
// Suffix wildcard matches
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("api.dev.local"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("web.dev.local"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("dev.local"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("test.staging.com"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("api.staging.com"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("staging.com"_ns));
// Non-matches
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA("example.com"_ns));
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA("dev.example.com"_ns));
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA("staging.example.com"_ns));
// Test with whitespace and empty entries
Preferences::SetCString(
"network.lna.skip-domains",
" example.com , , *.test.local , admin.internal "_ns);
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("example.com"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("api.test.local"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("admin.internal"_ns));
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA("test.com"_ns));
// Test invalid patterns (unknown patterns treated as exact match)
Preferences::SetCString("network.lna.skip-domains",
"example.com,invalid.pattern"_ns);
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA(
"example.com"_ns)); // Valid exact match
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA(
"invalid.pattern"_ns)); // Treated as exact match
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA("test.com"_ns)); // No match
// Test case sensitivity
Preferences::SetCString("network.lna.skip-domains",
"Example.COM,*.Test.ORG"_ns);
EXPECT_TRUE(
ioService->ShouldSkipDomainForLNA("Example.COM"_ns)); // Exact case match
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA(
"example.com"_ns)); // Different case (no match)
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA(
"api.Test.ORG"_ns)); // Wildcard case match
EXPECT_FALSE(ioService->ShouldSkipDomainForLNA(
"api.test.org"_ns)); // Different case (no match)
// Test plain "*" matches all domains
Preferences::SetCString("network.lna.skip-domains", "*"_ns);
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("example.com"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("test.org"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("localhost"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("any.domain.here"_ns));
EXPECT_TRUE(ioService->ShouldSkipDomainForLNA("server.local"_ns));
// Reset preference for cleanup
Preferences::SetCString("network.lna.skip-domains", ""_ns);
}
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