Garrick Evans | f0ab713 | 2019-06-18 14:50:42 +0900 | [diff] [blame] | 1 | // Copyright 2019 The Chromium OS Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
Garrick Evans | 3388a03 | 2020-03-24 11:25:55 +0900 | [diff] [blame] | 5 | #include "patchpanel/datapath.h" |
Garrick Evans | f0ab713 | 2019-06-18 14:50:42 +0900 | [diff] [blame] | 6 | |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 7 | #include <linux/if_tun.h> |
Taoyu Li | 90c1391 | 2019-11-26 17:56:54 +0900 | [diff] [blame] | 8 | #include <net/if.h> |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 9 | #include <sys/ioctl.h> |
| 10 | |
Garrick Evans | f0ab713 | 2019-06-18 14:50:42 +0900 | [diff] [blame] | 11 | #include <utility> |
| 12 | #include <vector> |
| 13 | |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 14 | #include <base/bind.h> |
Qijiang Fan | e90b879 | 2020-03-09 16:15:41 +0900 | [diff] [blame] | 15 | #include <base/bind_helpers.h> |
Garrick Evans | f0ab713 | 2019-06-18 14:50:42 +0900 | [diff] [blame] | 16 | #include <base/strings/string_util.h> |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 17 | #include <gmock/gmock.h> |
Garrick Evans | f0ab713 | 2019-06-18 14:50:42 +0900 | [diff] [blame] | 18 | #include <gtest/gtest.h> |
| 19 | |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 20 | #include "patchpanel/mock_firewall.h" |
Garrick Evans | 3388a03 | 2020-03-24 11:25:55 +0900 | [diff] [blame] | 21 | #include "patchpanel/net_util.h" |
Garrick Evans | f0ab713 | 2019-06-18 14:50:42 +0900 | [diff] [blame] | 22 | |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 23 | using testing::_; |
| 24 | using testing::ElementsAre; |
| 25 | using testing::Return; |
| 26 | using testing::StrEq; |
| 27 | |
Garrick Evans | 3388a03 | 2020-03-24 11:25:55 +0900 | [diff] [blame] | 28 | namespace patchpanel { |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 29 | namespace { |
| 30 | |
Hugo Benichi | 7667559 | 2020-04-08 14:29:57 +0900 | [diff] [blame] | 31 | // TODO(hugobenichi) Centralize this constant definition |
| 32 | constexpr pid_t kTestPID = -2; |
| 33 | |
Hugo Benichi | e8758b5 | 2020-04-03 14:49:01 +0900 | [diff] [blame] | 34 | std::vector<ioctl_req_t> ioctl_reqs; |
| 35 | std::vector<std::pair<std::string, struct rtentry>> ioctl_rtentry_args; |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 36 | |
| 37 | // Capture all ioctls and succeed. |
Taoyu Li | 90c1391 | 2019-11-26 17:56:54 +0900 | [diff] [blame] | 38 | int ioctl_req_cap(int fd, ioctl_req_t req, ...) { |
Hugo Benichi | e8758b5 | 2020-04-03 14:49:01 +0900 | [diff] [blame] | 39 | ioctl_reqs.push_back(req); |
| 40 | return 0; |
| 41 | } |
| 42 | |
| 43 | // Capture ioctls for SIOCADDRT and SIOCDELRT and succeed. |
| 44 | int ioctl_rtentry_cap(int fd, ioctl_req_t req, struct rtentry* arg) { |
| 45 | ioctl_reqs.push_back(req); |
| 46 | ioctl_rtentry_args.push_back({"", *arg}); |
| 47 | // Copy the string poited by rtentry.rt_dev because Add/DeleteIPv4Route pass |
| 48 | // this value to ioctl() on the stack. |
| 49 | if (arg->rt_dev) { |
| 50 | auto& cap = ioctl_rtentry_args.back(); |
| 51 | cap.first = std::string(arg->rt_dev); |
| 52 | cap.second.rt_dev = (char*)cap.first.c_str(); |
| 53 | } |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 54 | return 0; |
| 55 | } |
| 56 | |
| 57 | } // namespace |
| 58 | |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 59 | class MockProcessRunner : public MinijailedProcessRunner { |
| 60 | public: |
| 61 | MockProcessRunner() = default; |
| 62 | ~MockProcessRunner() = default; |
| 63 | |
Garrick Evans | 2470caa | 2020-03-04 14:15:41 +0900 | [diff] [blame] | 64 | MOCK_METHOD1(WriteSentinelToContainer, int(pid_t pid)); |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 65 | MOCK_METHOD3(brctl, |
| 66 | int(const std::string& cmd, |
| 67 | const std::vector<std::string>& argv, |
| 68 | bool log_failures)); |
| 69 | MOCK_METHOD4(chown, |
| 70 | int(const std::string& uid, |
| 71 | const std::string& gid, |
| 72 | const std::string& file, |
| 73 | bool log_failures)); |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 74 | MOCK_METHOD4(ip, |
| 75 | int(const std::string& obj, |
| 76 | const std::string& cmd, |
| 77 | const std::vector<std::string>& args, |
| 78 | bool log_failures)); |
| 79 | MOCK_METHOD4(ip6, |
| 80 | int(const std::string& obj, |
| 81 | const std::string& cmd, |
| 82 | const std::vector<std::string>& args, |
| 83 | bool log_failures)); |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 84 | MOCK_METHOD4(iptables, |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 85 | int(const std::string& table, |
| 86 | const std::vector<std::string>& argv, |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 87 | bool log_failures, |
| 88 | std::string* output)); |
| 89 | MOCK_METHOD4(ip6tables, |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 90 | int(const std::string& table, |
| 91 | const std::vector<std::string>& argv, |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 92 | bool log_failures, |
| 93 | std::string* output)); |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 94 | MOCK_METHOD2(modprobe_all, |
| 95 | int(const std::vector<std::string>& modules, bool log_failures)); |
| 96 | MOCK_METHOD3(sysctl_w, |
| 97 | int(const std::string& key, |
| 98 | const std::string& value, |
| 99 | bool log_failures)); |
Hugo Benichi | 33860d7 | 2020-07-09 16:34:01 +0900 | [diff] [blame] | 100 | MOCK_METHOD3(ip_netns_attach, |
| 101 | int(const std::string& netns_name, |
| 102 | pid_t netns_pid, |
| 103 | bool log_failures)); |
| 104 | MOCK_METHOD2(ip_netns_delete, |
| 105 | int(const std::string& netns_name, bool log_failures)); |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 106 | }; |
| 107 | |
Hugo Benichi | d82d883 | 2020-08-14 10:05:03 +0900 | [diff] [blame] | 108 | TEST(DatapathTest, IpFamily) { |
| 109 | EXPECT_EQ(IpFamily::Dual, IpFamily::IPv4 | IpFamily::IPv6); |
| 110 | EXPECT_EQ(IpFamily::Dual & IpFamily::IPv4, IpFamily::IPv4); |
| 111 | EXPECT_EQ(IpFamily::Dual & IpFamily::IPv6, IpFamily::IPv6); |
| 112 | EXPECT_NE(IpFamily::Dual, IpFamily::IPv4); |
| 113 | EXPECT_NE(IpFamily::Dual, IpFamily::IPv6); |
| 114 | EXPECT_NE(IpFamily::IPv4, IpFamily::IPv6); |
| 115 | } |
| 116 | |
Hugo Benichi | bf811c6 | 2020-09-07 17:30:45 +0900 | [diff] [blame] | 117 | TEST(DatapathTest, Start) { |
| 118 | MockProcessRunner runner; |
| 119 | MockFirewall firewall; |
| 120 | // Asserts for sysctl modifications |
| 121 | EXPECT_CALL(runner, sysctl_w(StrEq("net.ipv4.ip_forward"), StrEq("1"), true)); |
| 122 | EXPECT_CALL(runner, sysctl_w(StrEq("net.ipv4.ip_local_port_range"), |
| 123 | StrEq("32768 47103"), true)); |
| 124 | EXPECT_CALL(runner, sysctl_w(StrEq("net.ipv6.conf.all.forwarding"), |
| 125 | StrEq("1"), true)); |
| 126 | // Asserts for AddSNATMarkRules |
| 127 | EXPECT_CALL( |
| 128 | runner, |
| 129 | iptables(StrEq("filter"), |
| 130 | ElementsAre("-A", "FORWARD", "-m", "mark", "--mark", "1/1", "-m", |
| 131 | "state", "--state", "INVALID", "-j", "DROP", "-w"), |
| 132 | true, nullptr)); |
| 133 | EXPECT_CALL(runner, |
| 134 | iptables(StrEq("filter"), |
| 135 | ElementsAre("-A", "FORWARD", "-m", "mark", "--mark", |
| 136 | "1/1", "-j", "ACCEPT", "-w"), |
| 137 | true, nullptr)); |
| 138 | EXPECT_CALL(runner, |
| 139 | iptables(StrEq("nat"), |
| 140 | ElementsAre("-A", "POSTROUTING", "-m", "mark", "--mark", |
| 141 | "1/1", "-j", "MASQUERADE", "-w"), |
| 142 | true, nullptr)); |
| 143 | // Asserts for AddForwardEstablishedRule |
| 144 | EXPECT_CALL(runner, |
| 145 | iptables(StrEq("filter"), |
| 146 | ElementsAre("-A", "FORWARD", "-m", "state", "--state", |
| 147 | "ESTABLISHED,RELATED", "-j", "ACCEPT", "-w"), |
| 148 | true, nullptr)); |
| 149 | // Asserts for AddSourceIPv4DropRule() calls. |
| 150 | EXPECT_CALL(runner, |
| 151 | iptables(StrEq("filter"), |
| 152 | ElementsAre("-I", "OUTPUT", "-o", "eth+", "-s", |
| 153 | "100.115.92.0/23", "-j", "DROP", "-w"), |
| 154 | true, nullptr)); |
| 155 | EXPECT_CALL(runner, |
| 156 | iptables(StrEq("filter"), |
| 157 | ElementsAre("-I", "OUTPUT", "-o", "wlan+", "-s", |
| 158 | "100.115.92.0/23", "-j", "DROP", "-w"), |
| 159 | true, nullptr)); |
| 160 | EXPECT_CALL(runner, |
| 161 | iptables(StrEq("filter"), |
| 162 | ElementsAre("-I", "OUTPUT", "-o", "mlan+", "-s", |
| 163 | "100.115.92.0/23", "-j", "DROP", "-w"), |
| 164 | true, nullptr)); |
| 165 | EXPECT_CALL(runner, |
| 166 | iptables(StrEq("filter"), |
| 167 | ElementsAre("-I", "OUTPUT", "-o", "usb+", "-s", |
| 168 | "100.115.92.0/23", "-j", "DROP", "-w"), |
| 169 | true, nullptr)); |
| 170 | EXPECT_CALL(runner, |
| 171 | iptables(StrEq("filter"), |
| 172 | ElementsAre("-I", "OUTPUT", "-o", "wwan+", "-s", |
| 173 | "100.115.92.0/23", "-j", "DROP", "-w"), |
| 174 | true, nullptr)); |
| 175 | EXPECT_CALL(runner, |
| 176 | iptables(StrEq("filter"), |
| 177 | ElementsAre("-I", "OUTPUT", "-o", "rmnet+", "-s", |
| 178 | "100.115.92.0/23", "-j", "DROP", "-w"), |
| 179 | true, nullptr)); |
| 180 | // Asserts for AddOutboundIPv4SNATMark("vmtap+") |
| 181 | EXPECT_CALL(runner, |
| 182 | iptables(StrEq("mangle"), |
| 183 | ElementsAre("-A", "PREROUTING", "-i", "vmtap+", "-j", |
| 184 | "MARK", "--set-mark", "1/1", "-w"), |
| 185 | true, nullptr)); |
Hugo Benichi | 3a9162b | 2020-09-09 15:47:40 +0900 | [diff] [blame] | 186 | // Asserts for apply_local_source_mark chain |
| 187 | EXPECT_CALL(runner, |
| 188 | iptables(StrEq("mangle"), |
| 189 | ElementsAre("-N", "apply_local_source_mark", "-w"), true, |
| 190 | nullptr)); |
| 191 | EXPECT_CALL(runner, |
| 192 | iptables(StrEq("mangle"), |
| 193 | ElementsAre("-F", "apply_local_source_mark", "-w"), true, |
| 194 | nullptr)); |
| 195 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 196 | ElementsAre("-A", "OUTPUT", "-j", |
| 197 | "apply_local_source_mark", "-w"), |
| 198 | true, nullptr)); |
| 199 | EXPECT_CALL( |
| 200 | runner, |
| 201 | iptables(StrEq("mangle"), |
| 202 | ElementsAre("-A", "apply_local_source_mark", "-m", "owner", |
| 203 | "--uid-owner", "chronos", "-j", "MARK", "--set-mark", |
| 204 | "0x00008100/0x0000ff00", "-w"), |
| 205 | true, nullptr)); |
| 206 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 207 | ElementsAre("-A", "apply_local_source_mark", |
| 208 | "-m", "owner", "--uid-owner", |
| 209 | "debugd", "-j", "MARK", "--set-mark", |
| 210 | "0x00008200/0x0000ff00", "-w"), |
| 211 | true, nullptr)); |
| 212 | EXPECT_CALL(runner, |
| 213 | iptables(StrEq("mangle"), |
| 214 | ElementsAre("-A", "apply_local_source_mark", "-m", |
| 215 | "owner", "--uid-owner", "cups", "-j", "MARK", |
| 216 | "--set-mark", "0x00008200/0x0000ff00", "-w"), |
| 217 | true, nullptr)); |
| 218 | EXPECT_CALL( |
| 219 | runner, |
| 220 | iptables(StrEq("mangle"), |
| 221 | ElementsAre("-A", "apply_local_source_mark", "-m", "owner", |
| 222 | "--uid-owner", "kerberosd", "-j", "MARK", |
| 223 | "--set-mark", "0x00008400/0x0000ff00", "-w"), |
| 224 | true, nullptr)); |
| 225 | EXPECT_CALL( |
| 226 | runner, |
| 227 | iptables(StrEq("mangle"), |
| 228 | ElementsAre("-A", "apply_local_source_mark", "-m", "owner", |
| 229 | "--uid-owner", "kerberosd-exec", "-j", "MARK", |
| 230 | "--set-mark", "0x00008400/0x0000ff00", "-w"), |
| 231 | true, nullptr)); |
| 232 | EXPECT_CALL( |
| 233 | runner, |
| 234 | iptables(StrEq("mangle"), |
| 235 | ElementsAre("-A", "apply_local_source_mark", "-m", "owner", |
| 236 | "--uid-owner", "tlsdate", "-j", "MARK", "--set-mark", |
| 237 | "0x00008400/0x0000ff00", "-w"), |
| 238 | true, nullptr)); |
| 239 | EXPECT_CALL( |
| 240 | runner, |
| 241 | iptables(StrEq("mangle"), |
| 242 | ElementsAre("-A", "apply_local_source_mark", "-m", "owner", |
| 243 | "--uid-owner", "pluginvm", "-j", "MARK", |
| 244 | "--set-mark", "0x00008200/0x0000ff00", "-w"), |
| 245 | true, nullptr)); |
| 246 | EXPECT_CALL( |
| 247 | runner, |
| 248 | iptables(StrEq("mangle"), |
| 249 | ElementsAre("-A", "apply_local_source_mark", "-m", "owner", |
| 250 | "--uid-owner", "fuse-smbfs", "-j", "MARK", |
| 251 | "--set-mark", "0x00008400/0x0000ff00", "-w"), |
| 252 | true, nullptr)); |
| 253 | EXPECT_CALL( |
| 254 | runner, |
| 255 | iptables(StrEq("mangle"), |
| 256 | ElementsAre("-A", "apply_local_source_mark", "-m", "mark", |
| 257 | "--mark", "0x0/0x00003f00", "-j", "MARK", |
| 258 | "--set-mark", "0x00000400/0x00003f00", "-w"), |
| 259 | true, nullptr)); |
| 260 | EXPECT_CALL(runner, |
| 261 | ip6tables(StrEq("mangle"), |
| 262 | ElementsAre("-N", "apply_local_source_mark", "-w"), |
| 263 | true, nullptr)); |
| 264 | EXPECT_CALL(runner, |
| 265 | ip6tables(StrEq("mangle"), |
| 266 | ElementsAre("-F", "apply_local_source_mark", "-w"), |
| 267 | true, nullptr)); |
| 268 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 269 | ElementsAre("-A", "OUTPUT", "-j", |
| 270 | "apply_local_source_mark", "-w"), |
| 271 | true, nullptr)); |
| 272 | EXPECT_CALL( |
| 273 | runner, |
| 274 | ip6tables(StrEq("mangle"), |
| 275 | ElementsAre("-A", "apply_local_source_mark", "-m", "owner", |
| 276 | "--uid-owner", "debugd", "-j", "MARK", "--set-mark", |
| 277 | "0x00008200/0x0000ff00", "-w"), |
| 278 | true, nullptr)); |
| 279 | EXPECT_CALL( |
| 280 | runner, |
| 281 | ip6tables(StrEq("mangle"), |
| 282 | ElementsAre("-A", "apply_local_source_mark", "-m", "owner", |
| 283 | "--uid-owner", "chronos", "-j", "MARK", |
| 284 | "--set-mark", "0x00008100/0x0000ff00", "-w"), |
| 285 | true, nullptr)); |
| 286 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 287 | ElementsAre("-A", "apply_local_source_mark", |
| 288 | "-m", "owner", "--uid-owner", |
| 289 | "cups", "-j", "MARK", "--set-mark", |
| 290 | "0x00008200/0x0000ff00", "-w"), |
| 291 | true, nullptr)); |
| 292 | EXPECT_CALL( |
| 293 | runner, |
| 294 | ip6tables(StrEq("mangle"), |
| 295 | ElementsAre("-A", "apply_local_source_mark", "-m", "owner", |
| 296 | "--uid-owner", "kerberosd", "-j", "MARK", |
| 297 | "--set-mark", "0x00008400/0x0000ff00", "-w"), |
| 298 | true, nullptr)); |
| 299 | EXPECT_CALL( |
| 300 | runner, |
| 301 | ip6tables(StrEq("mangle"), |
| 302 | ElementsAre("-A", "apply_local_source_mark", "-m", "owner", |
| 303 | "--uid-owner", "kerberosd-exec", "-j", "MARK", |
| 304 | "--set-mark", "0x00008400/0x0000ff00", "-w"), |
| 305 | true, nullptr)); |
| 306 | EXPECT_CALL( |
| 307 | runner, |
| 308 | ip6tables(StrEq("mangle"), |
| 309 | ElementsAre("-A", "apply_local_source_mark", "-m", "owner", |
| 310 | "--uid-owner", "tlsdate", "-j", "MARK", |
| 311 | "--set-mark", "0x00008400/0x0000ff00", "-w"), |
| 312 | true, nullptr)); |
| 313 | EXPECT_CALL( |
| 314 | runner, |
| 315 | ip6tables(StrEq("mangle"), |
| 316 | ElementsAre("-A", "apply_local_source_mark", "-m", "owner", |
| 317 | "--uid-owner", "pluginvm", "-j", "MARK", |
| 318 | "--set-mark", "0x00008200/0x0000ff00", "-w"), |
| 319 | true, nullptr)); |
| 320 | EXPECT_CALL( |
| 321 | runner, |
| 322 | ip6tables(StrEq("mangle"), |
| 323 | ElementsAre("-A", "apply_local_source_mark", "-m", "owner", |
| 324 | "--uid-owner", "fuse-smbfs", "-j", "MARK", |
| 325 | "--set-mark", "0x00008400/0x0000ff00", "-w"), |
| 326 | true, nullptr)); |
| 327 | EXPECT_CALL( |
| 328 | runner, |
| 329 | ip6tables(StrEq("mangle"), |
| 330 | ElementsAre("-A", "apply_local_source_mark", "-m", "mark", |
| 331 | "--mark", "0x0/0x00003f00", "-j", "MARK", |
| 332 | "--set-mark", "0x00000400/0x00003f00", "-w"), |
| 333 | true, nullptr)); |
Hugo Benichi | 3ef370b | 2020-11-16 19:07:17 +0900 | [diff] [blame] | 334 | // Asserts for apply_vpn_mark chain |
| 335 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 336 | ElementsAre("-N", "apply_vpn_mark", "-w"), true, |
| 337 | nullptr)); |
| 338 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 339 | ElementsAre("-F", "apply_vpn_mark", "-w"), true, |
| 340 | nullptr)); |
| 341 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 342 | ElementsAre("-A", "OUTPUT", "-m", "mark", |
| 343 | "--mark", "0x00008000/0x0000c000", |
| 344 | "-j", "apply_vpn_mark", "-w"), |
| 345 | true, nullptr)); |
| 346 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 347 | ElementsAre("-A", "apply_vpn_mark", "-m", "mark", |
| 348 | "!", "--mark", "0x0/0xffff0000", |
| 349 | "-j", "ACCEPT", "-w"), |
| 350 | true, nullptr)); |
| 351 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 352 | ElementsAre("-N", "apply_vpn_mark", "-w"), true, |
| 353 | nullptr)); |
| 354 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 355 | ElementsAre("-F", "apply_vpn_mark", "-w"), true, |
| 356 | nullptr)); |
| 357 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 358 | ElementsAre("-A", "OUTPUT", "-m", "mark", |
| 359 | "--mark", "0x00008000/0x0000c000", |
| 360 | "-j", "apply_vpn_mark", "-w"), |
| 361 | true, nullptr)); |
| 362 | EXPECT_CALL( |
| 363 | runner, |
| 364 | ip6tables(StrEq("mangle"), |
| 365 | ElementsAre("-A", "apply_vpn_mark", "-m", "mark", "!", "--mark", |
| 366 | "0x0/0xffff0000", "-j", "ACCEPT", "-w"), |
| 367 | true, nullptr)); |
Hugo Benichi | bf811c6 | 2020-09-07 17:30:45 +0900 | [diff] [blame] | 368 | |
| 369 | Datapath datapath(&runner, &firewall); |
| 370 | datapath.Start(); |
| 371 | } |
| 372 | |
| 373 | TEST(DatapathTest, Stop) { |
| 374 | MockProcessRunner runner; |
| 375 | MockFirewall firewall; |
| 376 | // Asserts for sysctl modifications |
| 377 | EXPECT_CALL(runner, sysctl_w(StrEq("net.ipv4.ip_local_port_range"), |
| 378 | StrEq("32768 61000"), true)); |
| 379 | EXPECT_CALL(runner, sysctl_w(StrEq("net.ipv6.conf.all.forwarding"), |
| 380 | StrEq("0"), true)); |
| 381 | EXPECT_CALL(runner, sysctl_w(StrEq("net.ipv4.ip_forward"), StrEq("0"), true)); |
| 382 | // Asserts for RemoveOutboundIPv4SNATMark("vmtap+") |
| 383 | EXPECT_CALL(runner, |
| 384 | iptables(StrEq("mangle"), |
| 385 | ElementsAre("-D", "PREROUTING", "-i", "vmtap+", "-j", |
| 386 | "MARK", "--set-mark", "1/1", "-w"), |
| 387 | true, nullptr)); |
| 388 | // Asserts for RemoveForwardEstablishedRule |
| 389 | EXPECT_CALL(runner, |
| 390 | iptables(StrEq("filter"), |
| 391 | ElementsAre("-D", "FORWARD", "-m", "state", "--state", |
| 392 | "ESTABLISHED,RELATED", "-j", "ACCEPT", "-w"), |
| 393 | true, nullptr)); |
| 394 | // Asserts for RemoveSNATMarkRules |
| 395 | EXPECT_CALL( |
| 396 | runner, |
| 397 | iptables(StrEq("filter"), |
| 398 | ElementsAre("-D", "FORWARD", "-m", "mark", "--mark", "1/1", "-m", |
| 399 | "state", "--state", "INVALID", "-j", "DROP", "-w"), |
| 400 | true, nullptr)); |
| 401 | EXPECT_CALL(runner, |
| 402 | iptables(StrEq("filter"), |
| 403 | ElementsAre("-D", "FORWARD", "-m", "mark", "--mark", |
| 404 | "1/1", "-j", "ACCEPT", "-w"), |
| 405 | true, nullptr)); |
| 406 | EXPECT_CALL(runner, |
| 407 | iptables(StrEq("nat"), |
| 408 | ElementsAre("-D", "POSTROUTING", "-m", "mark", "--mark", |
| 409 | "1/1", "-j", "MASQUERADE", "-w"), |
| 410 | true, nullptr)); |
| 411 | // Asserts for RemoveSourceIPv4DropRule() calls. |
| 412 | EXPECT_CALL(runner, |
| 413 | iptables(StrEq("filter"), |
| 414 | ElementsAre("-D", "OUTPUT", "-o", "eth+", "-s", |
| 415 | "100.115.92.0/23", "-j", "DROP", "-w"), |
| 416 | true, nullptr)); |
| 417 | EXPECT_CALL(runner, |
| 418 | iptables(StrEq("filter"), |
| 419 | ElementsAre("-D", "OUTPUT", "-o", "wlan+", "-s", |
| 420 | "100.115.92.0/23", "-j", "DROP", "-w"), |
| 421 | true, nullptr)); |
| 422 | EXPECT_CALL(runner, |
| 423 | iptables(StrEq("filter"), |
| 424 | ElementsAre("-D", "OUTPUT", "-o", "mlan+", "-s", |
| 425 | "100.115.92.0/23", "-j", "DROP", "-w"), |
| 426 | true, nullptr)); |
| 427 | EXPECT_CALL(runner, |
| 428 | iptables(StrEq("filter"), |
| 429 | ElementsAre("-D", "OUTPUT", "-o", "usb+", "-s", |
| 430 | "100.115.92.0/23", "-j", "DROP", "-w"), |
| 431 | true, nullptr)); |
| 432 | EXPECT_CALL(runner, |
| 433 | iptables(StrEq("filter"), |
| 434 | ElementsAre("-D", "OUTPUT", "-o", "wwan+", "-s", |
| 435 | "100.115.92.0/23", "-j", "DROP", "-w"), |
| 436 | true, nullptr)); |
| 437 | EXPECT_CALL(runner, |
| 438 | iptables(StrEq("filter"), |
| 439 | ElementsAre("-D", "OUTPUT", "-o", "rmnet+", "-s", |
| 440 | "100.115.92.0/23", "-j", "DROP", "-w"), |
| 441 | true, nullptr)); |
Hugo Benichi | 3a9162b | 2020-09-09 15:47:40 +0900 | [diff] [blame] | 442 | // Asserts for apply_local_source_mark chain |
| 443 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 444 | ElementsAre("-D", "OUTPUT", "-j", |
| 445 | "apply_local_source_mark", "-w"), |
| 446 | true, nullptr)); |
| 447 | EXPECT_CALL(runner, |
| 448 | iptables(StrEq("mangle"), |
| 449 | ElementsAre("-F", "apply_local_source_mark", "-w"), true, |
| 450 | nullptr)); |
| 451 | EXPECT_CALL(runner, |
| 452 | iptables(StrEq("mangle"), |
| 453 | ElementsAre("-X", "apply_local_source_mark", "-w"), true, |
| 454 | nullptr)); |
| 455 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 456 | ElementsAre("-D", "OUTPUT", "-j", |
| 457 | "apply_local_source_mark", "-w"), |
| 458 | true, nullptr)); |
| 459 | EXPECT_CALL(runner, |
| 460 | ip6tables(StrEq("mangle"), |
| 461 | ElementsAre("-F", "apply_local_source_mark", "-w"), |
| 462 | true, nullptr)); |
| 463 | EXPECT_CALL(runner, |
| 464 | ip6tables(StrEq("mangle"), |
| 465 | ElementsAre("-X", "apply_local_source_mark", "-w"), |
| 466 | true, nullptr)); |
Hugo Benichi | 3ef370b | 2020-11-16 19:07:17 +0900 | [diff] [blame] | 467 | // Asserts for apply_vpn_mark chain |
| 468 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 469 | ElementsAre("-D", "OUTPUT", "-m", "mark", |
| 470 | "--mark", "0x00008000/0x0000c000", |
| 471 | "-j", "apply_vpn_mark", "-w"), |
| 472 | true, nullptr)); |
| 473 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 474 | ElementsAre("-F", "apply_vpn_mark", "-w"), true, |
| 475 | nullptr)); |
| 476 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 477 | ElementsAre("-X", "apply_vpn_mark", "-w"), true, |
| 478 | nullptr)); |
| 479 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 480 | ElementsAre("-D", "OUTPUT", "-m", "mark", |
| 481 | "--mark", "0x00008000/0x0000c000", |
| 482 | "-j", "apply_vpn_mark", "-w"), |
| 483 | true, nullptr)); |
| 484 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 485 | ElementsAre("-F", "apply_vpn_mark", "-w"), true, |
| 486 | nullptr)); |
| 487 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 488 | ElementsAre("-X", "apply_vpn_mark", "-w"), true, |
| 489 | nullptr)); |
Hugo Benichi | bf811c6 | 2020-09-07 17:30:45 +0900 | [diff] [blame] | 490 | |
| 491 | Datapath datapath(&runner, &firewall); |
| 492 | datapath.Stop(); |
| 493 | } |
| 494 | |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 495 | TEST(DatapathTest, AddTAP) { |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 496 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 497 | MockFirewall firewall; |
| 498 | Datapath datapath(&runner, &firewall, ioctl_req_cap); |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 499 | MacAddress mac = {1, 2, 3, 4, 5, 6}; |
Qijiang Fan | e90b879 | 2020-03-09 16:15:41 +0900 | [diff] [blame] | 500 | Subnet subnet(Ipv4Addr(100, 115, 92, 4), 30, base::DoNothing()); |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 501 | auto addr = subnet.AllocateAtOffset(0); |
Garrick Evans | 4f9f557 | 2019-11-26 10:25:16 +0900 | [diff] [blame] | 502 | auto ifname = datapath.AddTAP("foo0", &mac, addr.get(), ""); |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 503 | EXPECT_EQ(ifname, "foo0"); |
Hugo Benichi | e8758b5 | 2020-04-03 14:49:01 +0900 | [diff] [blame] | 504 | std::vector<ioctl_req_t> expected = { |
| 505 | TUNSETIFF, TUNSETPERSIST, SIOCSIFADDR, SIOCSIFNETMASK, |
| 506 | SIOCSIFHWADDR, SIOCGIFFLAGS, SIOCSIFFLAGS}; |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 507 | EXPECT_EQ(ioctl_reqs, expected); |
| 508 | ioctl_reqs.clear(); |
Hugo Benichi | 7c34267 | 2020-09-08 09:18:14 +0900 | [diff] [blame] | 509 | ioctl_rtentry_args.clear(); |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 510 | } |
| 511 | |
| 512 | TEST(DatapathTest, AddTAPWithOwner) { |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 513 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 514 | MockFirewall firewall; |
| 515 | Datapath datapath(&runner, &firewall, ioctl_req_cap); |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 516 | MacAddress mac = {1, 2, 3, 4, 5, 6}; |
Qijiang Fan | e90b879 | 2020-03-09 16:15:41 +0900 | [diff] [blame] | 517 | Subnet subnet(Ipv4Addr(100, 115, 92, 4), 30, base::DoNothing()); |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 518 | auto addr = subnet.AllocateAtOffset(0); |
Garrick Evans | 4f9f557 | 2019-11-26 10:25:16 +0900 | [diff] [blame] | 519 | auto ifname = datapath.AddTAP("foo0", &mac, addr.get(), "root"); |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 520 | EXPECT_EQ(ifname, "foo0"); |
Hugo Benichi | e8758b5 | 2020-04-03 14:49:01 +0900 | [diff] [blame] | 521 | std::vector<ioctl_req_t> expected = { |
| 522 | TUNSETIFF, TUNSETPERSIST, TUNSETOWNER, SIOCSIFADDR, |
| 523 | SIOCSIFNETMASK, SIOCSIFHWADDR, SIOCGIFFLAGS, SIOCSIFFLAGS}; |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 524 | EXPECT_EQ(ioctl_reqs, expected); |
| 525 | ioctl_reqs.clear(); |
Hugo Benichi | 7c34267 | 2020-09-08 09:18:14 +0900 | [diff] [blame] | 526 | ioctl_rtentry_args.clear(); |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 527 | } |
| 528 | |
Garrick Evans | 621ed26 | 2019-11-13 12:28:43 +0900 | [diff] [blame] | 529 | TEST(DatapathTest, AddTAPNoAddrs) { |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 530 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 531 | MockFirewall firewall; |
| 532 | Datapath datapath(&runner, &firewall, ioctl_req_cap); |
Garrick Evans | 4f9f557 | 2019-11-26 10:25:16 +0900 | [diff] [blame] | 533 | auto ifname = datapath.AddTAP("foo0", nullptr, nullptr, ""); |
Garrick Evans | 621ed26 | 2019-11-13 12:28:43 +0900 | [diff] [blame] | 534 | EXPECT_EQ(ifname, "foo0"); |
Hugo Benichi | e8758b5 | 2020-04-03 14:49:01 +0900 | [diff] [blame] | 535 | std::vector<ioctl_req_t> expected = {TUNSETIFF, TUNSETPERSIST, SIOCGIFFLAGS, |
| 536 | SIOCSIFFLAGS}; |
Garrick Evans | 621ed26 | 2019-11-13 12:28:43 +0900 | [diff] [blame] | 537 | EXPECT_EQ(ioctl_reqs, expected); |
| 538 | ioctl_reqs.clear(); |
Hugo Benichi | 7c34267 | 2020-09-08 09:18:14 +0900 | [diff] [blame] | 539 | ioctl_rtentry_args.clear(); |
Garrick Evans | 621ed26 | 2019-11-13 12:28:43 +0900 | [diff] [blame] | 540 | } |
| 541 | |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 542 | TEST(DatapathTest, RemoveTAP) { |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 543 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 544 | MockFirewall firewall; |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 545 | EXPECT_CALL(runner, ip(StrEq("tuntap"), StrEq("del"), |
| 546 | ElementsAre("foo0", "mode", "tap"), true)); |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 547 | Datapath datapath(&runner, &firewall); |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 548 | datapath.RemoveTAP("foo0"); |
Garrick Evans | c7ae82c | 2019-09-04 16:25:10 +0900 | [diff] [blame] | 549 | } |
Garrick Evans | f0ab713 | 2019-06-18 14:50:42 +0900 | [diff] [blame] | 550 | |
Hugo Benichi | 33860d7 | 2020-07-09 16:34:01 +0900 | [diff] [blame] | 551 | TEST(DatapathTest, NetnsAttachName) { |
| 552 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 553 | MockFirewall firewall; |
Hugo Benichi | 33860d7 | 2020-07-09 16:34:01 +0900 | [diff] [blame] | 554 | EXPECT_CALL(runner, ip_netns_delete(StrEq("netns_foo"), false)); |
| 555 | EXPECT_CALL(runner, ip_netns_attach(StrEq("netns_foo"), 1234, true)); |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 556 | Datapath datapath(&runner, &firewall); |
Hugo Benichi | 33860d7 | 2020-07-09 16:34:01 +0900 | [diff] [blame] | 557 | EXPECT_TRUE(datapath.NetnsAttachName("netns_foo", 1234)); |
| 558 | } |
| 559 | |
| 560 | TEST(DatapathTest, NetnsDeleteName) { |
| 561 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 562 | MockFirewall firewall; |
Hugo Benichi | 33860d7 | 2020-07-09 16:34:01 +0900 | [diff] [blame] | 563 | EXPECT_CALL(runner, ip_netns_delete(StrEq("netns_foo"), true)); |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 564 | Datapath datapath(&runner, &firewall); |
Hugo Benichi | 33860d7 | 2020-07-09 16:34:01 +0900 | [diff] [blame] | 565 | EXPECT_TRUE(datapath.NetnsDeleteName("netns_foo")); |
| 566 | } |
| 567 | |
Garrick Evans | 8a949dc | 2019-07-18 16:17:53 +0900 | [diff] [blame] | 568 | TEST(DatapathTest, AddBridge) { |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 569 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 570 | MockFirewall firewall; |
| 571 | Datapath datapath(&runner, &firewall); |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 572 | EXPECT_CALL(runner, brctl(StrEq("addbr"), ElementsAre("br"), true)); |
Garrick Evans | 6f4fa3a | 2020-02-10 16:15:09 +0900 | [diff] [blame] | 573 | EXPECT_CALL( |
| 574 | runner, |
| 575 | ip(StrEq("addr"), StrEq("add"), |
| 576 | ElementsAre("1.1.1.1/30", "brd", "1.1.1.3", "dev", "br"), true)); |
Garrick Evans | 7a1a9ee | 2020-01-28 11:03:57 +0900 | [diff] [blame] | 577 | EXPECT_CALL(runner, |
| 578 | ip(StrEq("link"), StrEq("set"), ElementsAre("br", "up"), true)); |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 579 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 580 | ElementsAre("-A", "PREROUTING", "-i", "br", "-j", |
Hugo Benichi | 6c44532 | 2020-08-12 16:46:19 +0900 | [diff] [blame] | 581 | "MARK", "--set-mark", "1/1", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 582 | true, nullptr)); |
Garrick Evans | 7a1a9ee | 2020-01-28 11:03:57 +0900 | [diff] [blame] | 583 | datapath.AddBridge("br", Ipv4Addr(1, 1, 1, 1), 30); |
Garrick Evans | 8a949dc | 2019-07-18 16:17:53 +0900 | [diff] [blame] | 584 | } |
| 585 | |
Hugo Benichi | 7667559 | 2020-04-08 14:29:57 +0900 | [diff] [blame] | 586 | TEST(DatapathTest, ConnectVethPair) { |
| 587 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 588 | MockFirewall firewall; |
Hugo Benichi | 7667559 | 2020-04-08 14:29:57 +0900 | [diff] [blame] | 589 | EXPECT_CALL(runner, ip(StrEq("link"), StrEq("add"), |
| 590 | ElementsAre("veth_foo", "type", "veth", "peer", "name", |
Hugo Benichi | 33860d7 | 2020-07-09 16:34:01 +0900 | [diff] [blame] | 591 | "peer_foo", "netns", "netns_foo"), |
Hugo Benichi | 7667559 | 2020-04-08 14:29:57 +0900 | [diff] [blame] | 592 | true)); |
| 593 | EXPECT_CALL(runner, ip(StrEq("addr"), StrEq("add"), |
| 594 | ElementsAre("100.115.92.169/30", "brd", |
| 595 | "100.115.92.171", "dev", "peer_foo"), |
| 596 | true)) |
| 597 | .WillOnce(Return(0)); |
| 598 | EXPECT_CALL(runner, ip(StrEq("link"), StrEq("set"), |
| 599 | ElementsAre("dev", "peer_foo", "up", "addr", |
| 600 | "01:02:03:04:05:06", "multicast", "on"), |
| 601 | true)) |
| 602 | .WillOnce(Return(0)); |
Hugo Benichi | 7667559 | 2020-04-08 14:29:57 +0900 | [diff] [blame] | 603 | EXPECT_CALL(runner, ip(StrEq("link"), StrEq("set"), |
| 604 | ElementsAre("veth_foo", "up"), true)); |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 605 | Datapath datapath(&runner, &firewall); |
Hugo Benichi | 33860d7 | 2020-07-09 16:34:01 +0900 | [diff] [blame] | 606 | EXPECT_TRUE(datapath.ConnectVethPair(kTestPID, "netns_foo", "veth_foo", |
| 607 | "peer_foo", {1, 2, 3, 4, 5, 6}, |
Hugo Benichi | 7667559 | 2020-04-08 14:29:57 +0900 | [diff] [blame] | 608 | Ipv4Addr(100, 115, 92, 169), 30, true)); |
| 609 | } |
| 610 | |
Garrick Evans | 2470caa | 2020-03-04 14:15:41 +0900 | [diff] [blame] | 611 | TEST(DatapathTest, AddVirtualInterfacePair) { |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 612 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 613 | MockFirewall firewall; |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 614 | EXPECT_CALL(runner, ip(StrEq("link"), StrEq("add"), |
| 615 | ElementsAre("veth_foo", "type", "veth", "peer", "name", |
Hugo Benichi | 33860d7 | 2020-07-09 16:34:01 +0900 | [diff] [blame] | 616 | "peer_foo", "netns", "netns_foo"), |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 617 | true)); |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 618 | Datapath datapath(&runner, &firewall); |
Hugo Benichi | 33860d7 | 2020-07-09 16:34:01 +0900 | [diff] [blame] | 619 | EXPECT_TRUE( |
| 620 | datapath.AddVirtualInterfacePair("netns_foo", "veth_foo", "peer_foo")); |
Garrick Evans | 2470caa | 2020-03-04 14:15:41 +0900 | [diff] [blame] | 621 | } |
| 622 | |
| 623 | TEST(DatapathTest, ToggleInterface) { |
| 624 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 625 | MockFirewall firewall; |
Garrick Evans | 2470caa | 2020-03-04 14:15:41 +0900 | [diff] [blame] | 626 | EXPECT_CALL(runner, |
| 627 | ip(StrEq("link"), StrEq("set"), ElementsAre("foo", "up"), true)); |
Garrick Evans | 7a1a9ee | 2020-01-28 11:03:57 +0900 | [diff] [blame] | 628 | EXPECT_CALL(runner, ip(StrEq("link"), StrEq("set"), |
Garrick Evans | 2470caa | 2020-03-04 14:15:41 +0900 | [diff] [blame] | 629 | ElementsAre("bar", "down"), true)); |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 630 | Datapath datapath(&runner, &firewall); |
Garrick Evans | 2470caa | 2020-03-04 14:15:41 +0900 | [diff] [blame] | 631 | EXPECT_TRUE(datapath.ToggleInterface("foo", true)); |
| 632 | EXPECT_TRUE(datapath.ToggleInterface("bar", false)); |
| 633 | } |
| 634 | |
| 635 | TEST(DatapathTest, ConfigureInterface) { |
| 636 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 637 | MockFirewall firewall; |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 638 | EXPECT_CALL( |
| 639 | runner, |
Garrick Evans | 2470caa | 2020-03-04 14:15:41 +0900 | [diff] [blame] | 640 | ip(StrEq("addr"), StrEq("add"), |
| 641 | ElementsAre("1.1.1.1/30", "brd", "1.1.1.3", "dev", "foo"), true)) |
| 642 | .WillOnce(Return(0)); |
| 643 | EXPECT_CALL(runner, ip(StrEq("link"), StrEq("set"), |
| 644 | ElementsAre("dev", "foo", "up", "addr", |
| 645 | "02:02:02:02:02:02", "multicast", "on"), |
| 646 | true)) |
| 647 | .WillOnce(Return(0)); |
| 648 | |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 649 | Datapath datapath(&runner, &firewall); |
Garrick Evans | 2470caa | 2020-03-04 14:15:41 +0900 | [diff] [blame] | 650 | MacAddress mac_addr = {2, 2, 2, 2, 2, 2}; |
| 651 | EXPECT_TRUE(datapath.ConfigureInterface("foo", mac_addr, Ipv4Addr(1, 1, 1, 1), |
| 652 | 30, true, true)); |
Garrick Evans | 5486162 | 2019-07-19 09:05:09 +0900 | [diff] [blame] | 653 | } |
| 654 | |
| 655 | TEST(DatapathTest, RemoveInterface) { |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 656 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 657 | MockFirewall firewall; |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 658 | EXPECT_CALL(runner, |
| 659 | ip(StrEq("link"), StrEq("delete"), ElementsAre("foo"), false)); |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 660 | Datapath datapath(&runner, &firewall); |
Garrick Evans | 5486162 | 2019-07-19 09:05:09 +0900 | [diff] [blame] | 661 | datapath.RemoveInterface("foo"); |
Garrick Evans | 5486162 | 2019-07-19 09:05:09 +0900 | [diff] [blame] | 662 | } |
| 663 | |
Garrick Evans | 8a949dc | 2019-07-18 16:17:53 +0900 | [diff] [blame] | 664 | TEST(DatapathTest, RemoveBridge) { |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 665 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 666 | MockFirewall firewall; |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 667 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 668 | ElementsAre("-D", "PREROUTING", "-i", "br", "-j", |
Hugo Benichi | 6c44532 | 2020-08-12 16:46:19 +0900 | [diff] [blame] | 669 | "MARK", "--set-mark", "1/1", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 670 | true, nullptr)); |
Garrick Evans | 7a1a9ee | 2020-01-28 11:03:57 +0900 | [diff] [blame] | 671 | EXPECT_CALL(runner, |
| 672 | ip(StrEq("link"), StrEq("set"), ElementsAre("br", "down"), true)); |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 673 | EXPECT_CALL(runner, brctl(StrEq("delbr"), ElementsAre("br"), true)); |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 674 | Datapath datapath(&runner, &firewall); |
Garrick Evans | 8a949dc | 2019-07-18 16:17:53 +0900 | [diff] [blame] | 675 | datapath.RemoveBridge("br"); |
Garrick Evans | 8a949dc | 2019-07-18 16:17:53 +0900 | [diff] [blame] | 676 | } |
| 677 | |
Hugo Benichi | 321f23b | 2020-09-25 15:42:05 +0900 | [diff] [blame] | 678 | TEST(DatapathTest, AddRemoveSourceIPv4DropRule) { |
| 679 | MockProcessRunner runner; |
| 680 | MockFirewall firewall; |
| 681 | EXPECT_CALL(runner, |
| 682 | iptables(StrEq("filter"), |
| 683 | ElementsAre("-I", "OUTPUT", "-o", "eth+", "-s", |
| 684 | "100.115.92.0/24", "-j", "DROP", "-w"), |
| 685 | true, nullptr)); |
| 686 | EXPECT_CALL(runner, |
| 687 | iptables(StrEq("filter"), |
| 688 | ElementsAre("-D", "OUTPUT", "-o", "eth+", "-s", |
| 689 | "100.115.92.0/24", "-j", "DROP", "-w"), |
| 690 | true, nullptr)); |
| 691 | Datapath datapath(&runner, &firewall); |
| 692 | datapath.AddSourceIPv4DropRule("eth+", "100.115.92.0/24"); |
| 693 | datapath.RemoveSourceIPv4DropRule("eth+", "100.115.92.0/24"); |
| 694 | } |
| 695 | |
Hugo Benichi | 7c34267 | 2020-09-08 09:18:14 +0900 | [diff] [blame] | 696 | TEST(DatapathTest, StartRoutingNamespace) { |
| 697 | MockProcessRunner runner; |
| 698 | MockFirewall firewall; |
| 699 | MacAddress mac = {1, 2, 3, 4, 5, 6}; |
| 700 | |
| 701 | EXPECT_CALL(runner, ip_netns_delete(StrEq("netns_foo"), false)); |
| 702 | EXPECT_CALL(runner, ip_netns_attach(StrEq("netns_foo"), kTestPID, true)); |
| 703 | EXPECT_CALL(runner, ip(StrEq("link"), StrEq("add"), |
| 704 | ElementsAre("arc_ns0", "type", "veth", "peer", "name", |
| 705 | "veth0", "netns", "netns_foo"), |
| 706 | true)); |
| 707 | EXPECT_CALL(runner, ip(StrEq("addr"), StrEq("add"), |
| 708 | ElementsAre("100.115.92.130/30", "brd", |
| 709 | "100.115.92.131", "dev", "veth0"), |
| 710 | true)) |
| 711 | .WillOnce(Return(0)); |
| 712 | EXPECT_CALL(runner, ip(StrEq("link"), StrEq("set"), |
| 713 | ElementsAre("dev", "veth0", "up", "addr", |
| 714 | "01:02:03:04:05:06", "multicast", "off"), |
| 715 | true)) |
| 716 | .WillOnce(Return(0)); |
| 717 | EXPECT_CALL(runner, ip(StrEq("link"), StrEq("set"), |
| 718 | ElementsAre("arc_ns0", "up"), true)); |
| 719 | EXPECT_CALL(runner, ip(StrEq("addr"), StrEq("add"), |
| 720 | ElementsAre("100.115.92.129/30", "brd", |
| 721 | "100.115.92.131", "dev", "arc_ns0"), |
| 722 | true)) |
| 723 | .WillOnce(Return(0)); |
| 724 | EXPECT_CALL(runner, ip(StrEq("link"), StrEq("set"), |
| 725 | ElementsAre("dev", "arc_ns0", "up", "addr", |
| 726 | "01:02:03:04:05:06", "multicast", "off"), |
| 727 | true)) |
| 728 | .WillOnce(Return(0)); |
| 729 | EXPECT_CALL(runner, iptables(StrEq("filter"), |
| 730 | ElementsAre("-A", "FORWARD", "-o", "arc_ns0", |
| 731 | "-j", "ACCEPT", "-w"), |
| 732 | true, nullptr)); |
| 733 | EXPECT_CALL(runner, |
| 734 | iptables(StrEq("mangle"), |
| 735 | ElementsAre("-A", "PREROUTING", "-i", "arc_ns0", "-j", |
| 736 | "MARK", "--set-mark", "1/1", "-w"), |
| 737 | true, nullptr)); |
| 738 | |
| 739 | Datapath datapath(&runner, &firewall, (ioctl_t)ioctl_rtentry_cap); |
| 740 | datapath.StartRoutingNamespace( |
| 741 | kTestPID, "netns_foo", "arc_ns0", "veth0", Ipv4Addr(100, 115, 92, 128), |
| 742 | 30, Ipv4Addr(100, 115, 92, 129), Ipv4Addr(100, 115, 92, 130), mac); |
| 743 | ioctl_reqs.clear(); |
| 744 | ioctl_rtentry_args.clear(); |
| 745 | } |
| 746 | |
| 747 | TEST(DatapathTest, StopRoutingNamespace) { |
| 748 | MockProcessRunner runner; |
| 749 | MockFirewall firewall; |
| 750 | |
| 751 | EXPECT_CALL(runner, iptables(StrEq("filter"), |
| 752 | ElementsAre("-D", "FORWARD", "-o", "arc_ns0", |
| 753 | "-j", "ACCEPT", "-w"), |
| 754 | true, nullptr)); |
| 755 | EXPECT_CALL(runner, |
| 756 | iptables(StrEq("mangle"), |
| 757 | ElementsAre("-D", "PREROUTING", "-i", "arc_ns0", "-j", |
| 758 | "MARK", "--set-mark", "1/1", "-w"), |
| 759 | true, nullptr)); |
| 760 | EXPECT_CALL(runner, ip_netns_delete(StrEq("netns_foo"), true)); |
| 761 | EXPECT_CALL(runner, ip(StrEq("link"), StrEq("delete"), ElementsAre("arc_ns0"), |
| 762 | false)); |
| 763 | |
| 764 | Datapath datapath(&runner, &firewall); |
| 765 | datapath.StopRoutingNamespace("netns_foo", "arc_ns0", |
| 766 | Ipv4Addr(100, 115, 92, 128), 30, |
| 767 | Ipv4Addr(100, 115, 92, 129)); |
| 768 | } |
| 769 | |
Hugo Benichi | 8d622b5 | 2020-08-13 15:24:12 +0900 | [diff] [blame] | 770 | TEST(DatapathTest, StartRoutingDevice_Arc) { |
| 771 | MockProcessRunner runner; |
| 772 | MockFirewall firewall; |
| 773 | EXPECT_CALL(runner, iptables(StrEq("nat"), |
| 774 | ElementsAre("-A", "PREROUTING", "-i", "eth0", |
| 775 | "-m", "socket", "--nowildcard", "-j", |
| 776 | "ACCEPT", "-w"), |
| 777 | true, nullptr)); |
| 778 | EXPECT_CALL(runner, iptables(StrEq("nat"), |
| 779 | ElementsAre("-A", "PREROUTING", "-i", "eth0", |
| 780 | "-p", "tcp", "-j", "DNAT", |
| 781 | "--to-destination", "1.2.3.4", "-w"), |
| 782 | true, nullptr)); |
| 783 | EXPECT_CALL(runner, iptables(StrEq("nat"), |
| 784 | ElementsAre("-A", "PREROUTING", "-i", "eth0", |
| 785 | "-p", "udp", "-j", "DNAT", |
| 786 | "--to-destination", "1.2.3.4", "-w"), |
| 787 | true, nullptr)); |
| 788 | EXPECT_CALL(runner, iptables(StrEq("filter"), |
Hugo Benichi | c6ae67c | 2020-08-14 15:02:13 +0900 | [diff] [blame] | 789 | ElementsAre("-A", "FORWARD", "-i", "eth0", "-o", |
| 790 | "arc_eth0", "-j", "ACCEPT", "-w"), |
| 791 | true, nullptr)); |
| 792 | EXPECT_CALL(runner, iptables(StrEq("filter"), |
| 793 | ElementsAre("-A", "FORWARD", "-i", "arc_eth0", |
| 794 | "-o", "eth0", "-j", "ACCEPT", "-w"), |
Hugo Benichi | 8d622b5 | 2020-08-13 15:24:12 +0900 | [diff] [blame] | 795 | true, nullptr)); |
Hugo Benichi | 9be19b1 | 2020-08-14 15:33:40 +0900 | [diff] [blame] | 796 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 797 | ElementsAre("-A", "PREROUTING", "-i", "arc_eth0", |
| 798 | "-j", "MARK", "--set-mark", |
| 799 | "0x00002000/0x00003f00", "-w"), |
| 800 | true, nullptr)); |
Hugo Benichi | af9d8a7 | 2020-08-26 13:28:13 +0900 | [diff] [blame] | 801 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 802 | ElementsAre("-A", "PREROUTING", "-i", "arc_eth0", |
| 803 | "-j", "MARK", "--set-mark", |
| 804 | "0x03ea0000/0xffff0000", "-w"), |
| 805 | true, nullptr)); |
Hugo Benichi | 5c9c11c | 2020-09-15 17:25:26 +0900 | [diff] [blame] | 806 | EXPECT_CALL( |
| 807 | runner, |
| 808 | ip6tables(StrEq("mangle"), |
| 809 | ElementsAre("-A", "PREROUTING", "-i", "arc_eth0", "-j", "MARK", |
| 810 | "--set-mark", "0x00002000/0x00003f00", "-w"), |
| 811 | true, nullptr)); |
Hugo Benichi | af9d8a7 | 2020-08-26 13:28:13 +0900 | [diff] [blame] | 812 | EXPECT_CALL( |
| 813 | runner, |
| 814 | ip6tables(StrEq("mangle"), |
| 815 | ElementsAre("-A", "PREROUTING", "-i", "arc_eth0", "-j", "MARK", |
| 816 | "--set-mark", "0x03ea0000/0xffff0000", "-w"), |
| 817 | true, nullptr)); |
Hugo Benichi | 8d622b5 | 2020-08-13 15:24:12 +0900 | [diff] [blame] | 818 | |
| 819 | Datapath datapath(&runner, &firewall); |
Hugo Benichi | af9d8a7 | 2020-08-26 13:28:13 +0900 | [diff] [blame] | 820 | datapath.SetIfnameIndex("eth0", 2); |
Hugo Benichi | 8d622b5 | 2020-08-13 15:24:12 +0900 | [diff] [blame] | 821 | datapath.StartRoutingDevice("eth0", "arc_eth0", Ipv4Addr(1, 2, 3, 4), |
| 822 | TrafficSource::ARC); |
| 823 | } |
| 824 | |
| 825 | TEST(DatapathTest, StartRoutingDevice_CrosVM) { |
| 826 | MockProcessRunner runner; |
| 827 | MockFirewall firewall; |
| 828 | EXPECT_CALL(runner, iptables(StrEq("filter"), |
| 829 | ElementsAre("-A", "FORWARD", "-o", "vmtap0", |
| 830 | "-j", "ACCEPT", "-w"), |
| 831 | true, nullptr)); |
Hugo Benichi | c6ae67c | 2020-08-14 15:02:13 +0900 | [diff] [blame] | 832 | EXPECT_CALL(runner, iptables(StrEq("filter"), |
| 833 | ElementsAre("-A", "FORWARD", "-i", "vmtap0", |
| 834 | "-j", "ACCEPT", "-w"), |
| 835 | true, nullptr)); |
Hugo Benichi | 9be19b1 | 2020-08-14 15:33:40 +0900 | [diff] [blame] | 836 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 837 | ElementsAre("-A", "PREROUTING", "-i", "vmtap0", |
| 838 | "-j", "MARK", "--set-mark", |
| 839 | "0x00002100/0x00003f00", "-w"), |
| 840 | true, nullptr)); |
Hugo Benichi | af9d8a7 | 2020-08-26 13:28:13 +0900 | [diff] [blame] | 841 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 842 | ElementsAre("-A", "PREROUTING", "-i", "vmtap0", |
| 843 | "-j", "CONNMARK", "--restore-mark", |
| 844 | "--mask", "0xffff0000", "-w"), |
| 845 | true, nullptr)); |
Hugo Benichi | 5c9c11c | 2020-09-15 17:25:26 +0900 | [diff] [blame] | 846 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 847 | ElementsAre("-A", "PREROUTING", "-i", "vmtap0", |
| 848 | "-j", "MARK", "--set-mark", |
| 849 | "0x00002100/0x00003f00", "-w"), |
| 850 | true, nullptr)); |
Hugo Benichi | af9d8a7 | 2020-08-26 13:28:13 +0900 | [diff] [blame] | 851 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 852 | ElementsAre("-A", "PREROUTING", "-i", "vmtap0", |
| 853 | "-j", "CONNMARK", "--restore-mark", |
| 854 | "--mask", "0xffff0000", "-w"), |
| 855 | true, nullptr)); |
Hugo Benichi | 3ef370b | 2020-11-16 19:07:17 +0900 | [diff] [blame] | 856 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 857 | ElementsAre("-A", "PREROUTING", "-i", "vmtap0", |
| 858 | "-j", "apply_vpn_mark", "-w"), |
| 859 | true, nullptr)); |
| 860 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 861 | ElementsAre("-A", "PREROUTING", "-i", "vmtap0", |
| 862 | "-j", "apply_vpn_mark", "-w"), |
| 863 | true, nullptr)); |
Hugo Benichi | 8d622b5 | 2020-08-13 15:24:12 +0900 | [diff] [blame] | 864 | |
| 865 | Datapath datapath(&runner, &firewall); |
| 866 | datapath.StartRoutingDevice("", "vmtap0", Ipv4Addr(1, 2, 3, 4), |
| 867 | TrafficSource::CROSVM); |
| 868 | } |
| 869 | |
| 870 | TEST(DatapathTest, StopRoutingDevice_Arc) { |
| 871 | MockProcessRunner runner; |
| 872 | MockFirewall firewall; |
| 873 | EXPECT_CALL(runner, iptables(StrEq("nat"), |
| 874 | ElementsAre("-D", "PREROUTING", "-i", "eth0", |
| 875 | "-m", "socket", "--nowildcard", "-j", |
| 876 | "ACCEPT", "-w"), |
| 877 | true, nullptr)); |
| 878 | EXPECT_CALL(runner, iptables(StrEq("nat"), |
| 879 | ElementsAre("-D", "PREROUTING", "-i", "eth0", |
| 880 | "-p", "tcp", "-j", "DNAT", |
| 881 | "--to-destination", "1.2.3.4", "-w"), |
| 882 | true, nullptr)); |
| 883 | EXPECT_CALL(runner, iptables(StrEq("nat"), |
| 884 | ElementsAre("-D", "PREROUTING", "-i", "eth0", |
| 885 | "-p", "udp", "-j", "DNAT", |
| 886 | "--to-destination", "1.2.3.4", "-w"), |
| 887 | true, nullptr)); |
| 888 | EXPECT_CALL(runner, iptables(StrEq("filter"), |
Hugo Benichi | c6ae67c | 2020-08-14 15:02:13 +0900 | [diff] [blame] | 889 | ElementsAre("-D", "FORWARD", "-i", "eth0", "-o", |
| 890 | "arc_eth0", "-j", "ACCEPT", "-w"), |
| 891 | true, nullptr)); |
| 892 | EXPECT_CALL(runner, iptables(StrEq("filter"), |
| 893 | ElementsAre("-D", "FORWARD", "-i", "arc_eth0", |
| 894 | "-o", "eth0", "-j", "ACCEPT", "-w"), |
Hugo Benichi | 8d622b5 | 2020-08-13 15:24:12 +0900 | [diff] [blame] | 895 | true, nullptr)); |
Hugo Benichi | 9be19b1 | 2020-08-14 15:33:40 +0900 | [diff] [blame] | 896 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 897 | ElementsAre("-D", "PREROUTING", "-i", "arc_eth0", |
| 898 | "-j", "MARK", "--set-mark", |
| 899 | "0x00002000/0x00003f00", "-w"), |
| 900 | true, nullptr)); |
Hugo Benichi | af9d8a7 | 2020-08-26 13:28:13 +0900 | [diff] [blame] | 901 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 902 | ElementsAre("-D", "PREROUTING", "-i", "arc_eth0", |
| 903 | "-j", "MARK", "--set-mark", |
| 904 | "0x03ea0000/0xffff0000", "-w"), |
| 905 | true, nullptr)); |
Hugo Benichi | 5c9c11c | 2020-09-15 17:25:26 +0900 | [diff] [blame] | 906 | EXPECT_CALL( |
| 907 | runner, |
| 908 | ip6tables(StrEq("mangle"), |
| 909 | ElementsAre("-D", "PREROUTING", "-i", "arc_eth0", "-j", "MARK", |
| 910 | "--set-mark", "0x00002000/0x00003f00", "-w"), |
| 911 | true, nullptr)); |
Hugo Benichi | af9d8a7 | 2020-08-26 13:28:13 +0900 | [diff] [blame] | 912 | EXPECT_CALL( |
| 913 | runner, |
| 914 | ip6tables(StrEq("mangle"), |
| 915 | ElementsAre("-D", "PREROUTING", "-i", "arc_eth0", "-j", "MARK", |
| 916 | "--set-mark", "0x03ea0000/0xffff0000", "-w"), |
| 917 | true, nullptr)); |
Hugo Benichi | 8d622b5 | 2020-08-13 15:24:12 +0900 | [diff] [blame] | 918 | |
| 919 | Datapath datapath(&runner, &firewall); |
Hugo Benichi | af9d8a7 | 2020-08-26 13:28:13 +0900 | [diff] [blame] | 920 | datapath.SetIfnameIndex("eth0", 2); |
Hugo Benichi | 8d622b5 | 2020-08-13 15:24:12 +0900 | [diff] [blame] | 921 | datapath.StopRoutingDevice("eth0", "arc_eth0", Ipv4Addr(1, 2, 3, 4), |
| 922 | TrafficSource::ARC); |
| 923 | } |
| 924 | |
| 925 | TEST(DatapathTest, StopRoutingDevice_CrosVM) { |
| 926 | MockProcessRunner runner; |
| 927 | MockFirewall firewall; |
| 928 | EXPECT_CALL(runner, iptables(StrEq("filter"), |
| 929 | ElementsAre("-D", "FORWARD", "-o", "vmtap0", |
| 930 | "-j", "ACCEPT", "-w"), |
| 931 | true, nullptr)); |
Hugo Benichi | c6ae67c | 2020-08-14 15:02:13 +0900 | [diff] [blame] | 932 | EXPECT_CALL(runner, iptables(StrEq("filter"), |
| 933 | ElementsAre("-D", "FORWARD", "-i", "vmtap0", |
| 934 | "-j", "ACCEPT", "-w"), |
| 935 | true, nullptr)); |
Hugo Benichi | 9be19b1 | 2020-08-14 15:33:40 +0900 | [diff] [blame] | 936 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 937 | ElementsAre("-D", "PREROUTING", "-i", "vmtap0", |
| 938 | "-j", "MARK", "--set-mark", |
| 939 | "0x00002100/0x00003f00", "-w"), |
| 940 | true, nullptr)); |
Hugo Benichi | af9d8a7 | 2020-08-26 13:28:13 +0900 | [diff] [blame] | 941 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 942 | ElementsAre("-D", "PREROUTING", "-i", "vmtap0", |
| 943 | "-j", "CONNMARK", "--restore-mark", |
| 944 | "--mask", "0xffff0000", "-w"), |
| 945 | true, nullptr)); |
Hugo Benichi | 5c9c11c | 2020-09-15 17:25:26 +0900 | [diff] [blame] | 946 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 947 | ElementsAre("-D", "PREROUTING", "-i", "vmtap0", |
| 948 | "-j", "MARK", "--set-mark", |
| 949 | "0x00002100/0x00003f00", "-w"), |
| 950 | true, nullptr)); |
Hugo Benichi | af9d8a7 | 2020-08-26 13:28:13 +0900 | [diff] [blame] | 951 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 952 | ElementsAre("-D", "PREROUTING", "-i", "vmtap0", |
| 953 | "-j", "CONNMARK", "--restore-mark", |
| 954 | "--mask", "0xffff0000", "-w"), |
| 955 | true, nullptr)); |
Hugo Benichi | 3ef370b | 2020-11-16 19:07:17 +0900 | [diff] [blame] | 956 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 957 | ElementsAre("-D", "PREROUTING", "-i", "vmtap0", |
| 958 | "-j", "apply_vpn_mark", "-w"), |
| 959 | true, nullptr)); |
| 960 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 961 | ElementsAre("-D", "PREROUTING", "-i", "vmtap0", |
| 962 | "-j", "apply_vpn_mark", "-w"), |
| 963 | true, nullptr)); |
Hugo Benichi | 8d622b5 | 2020-08-13 15:24:12 +0900 | [diff] [blame] | 964 | |
| 965 | Datapath datapath(&runner, &firewall); |
| 966 | datapath.StopRoutingDevice("", "vmtap0", Ipv4Addr(1, 2, 3, 4), |
| 967 | TrafficSource::CROSVM); |
| 968 | } |
| 969 | |
Hugo Benichi | d82d883 | 2020-08-14 10:05:03 +0900 | [diff] [blame] | 970 | TEST(DatapathTest, StartStopIpForwarding) { |
| 971 | struct { |
| 972 | IpFamily family; |
| 973 | std::string iif; |
| 974 | std::string oif; |
| 975 | std::vector<std::string> start_args; |
| 976 | std::vector<std::string> stop_args; |
| 977 | bool result; |
| 978 | } testcases[] = { |
| 979 | {IpFamily::IPv4, "", "", {}, {}, false}, |
| 980 | {IpFamily::NONE, "foo", "bar", {}, {}, false}, |
| 981 | {IpFamily::IPv4, |
| 982 | "foo", |
| 983 | "bar", |
| 984 | {"-A", "FORWARD", "-i", "foo", "-o", "bar", "-j", "ACCEPT", "-w"}, |
| 985 | {"-D", "FORWARD", "-i", "foo", "-o", "bar", "-j", "ACCEPT", "-w"}, |
| 986 | true}, |
| 987 | {IpFamily::IPv4, |
| 988 | "", |
| 989 | "bar", |
| 990 | {"-A", "FORWARD", "-o", "bar", "-j", "ACCEPT", "-w"}, |
| 991 | {"-D", "FORWARD", "-o", "bar", "-j", "ACCEPT", "-w"}, |
| 992 | true}, |
| 993 | {IpFamily::IPv4, |
| 994 | "foo", |
| 995 | "", |
| 996 | {"-A", "FORWARD", "-i", "foo", "-j", "ACCEPT", "-w"}, |
| 997 | {"-D", "FORWARD", "-i", "foo", "-j", "ACCEPT", "-w"}, |
| 998 | true}, |
| 999 | {IpFamily::IPv6, |
| 1000 | "foo", |
| 1001 | "bar", |
| 1002 | {"-A", "FORWARD", "-i", "foo", "-o", "bar", "-j", "ACCEPT", "-w"}, |
| 1003 | {"-D", "FORWARD", "-i", "foo", "-o", "bar", "-j", "ACCEPT", "-w"}, |
| 1004 | true}, |
| 1005 | {IpFamily::IPv6, |
| 1006 | "", |
| 1007 | "bar", |
| 1008 | {"-A", "FORWARD", "-o", "bar", "-j", "ACCEPT", "-w"}, |
| 1009 | {"-D", "FORWARD", "-o", "bar", "-j", "ACCEPT", "-w"}, |
| 1010 | true}, |
| 1011 | {IpFamily::IPv6, |
| 1012 | "foo", |
| 1013 | "", |
| 1014 | {"-A", "FORWARD", "-i", "foo", "-j", "ACCEPT", "-w"}, |
| 1015 | {"-D", "FORWARD", "-i", "foo", "-j", "ACCEPT", "-w"}, |
| 1016 | true}, |
| 1017 | {IpFamily::Dual, |
| 1018 | "foo", |
| 1019 | "bar", |
| 1020 | {"-A", "FORWARD", "-i", "foo", "-o", "bar", "-j", "ACCEPT", "-w"}, |
| 1021 | {"-D", "FORWARD", "-i", "foo", "-o", "bar", "-j", "ACCEPT", "-w"}, |
| 1022 | true}, |
| 1023 | {IpFamily::Dual, |
| 1024 | "", |
| 1025 | "bar", |
| 1026 | {"-A", "FORWARD", "-o", "bar", "-j", "ACCEPT", "-w"}, |
| 1027 | {"-D", "FORWARD", "-o", "bar", "-j", "ACCEPT", "-w"}, |
| 1028 | true}, |
| 1029 | {IpFamily::Dual, |
| 1030 | "foo", |
| 1031 | "", |
| 1032 | {"-A", "FORWARD", "-i", "foo", "-j", "ACCEPT", "-w"}, |
| 1033 | {"-D", "FORWARD", "-i", "foo", "-j", "ACCEPT", "-w"}, |
| 1034 | true}, |
| 1035 | }; |
| 1036 | |
| 1037 | for (const auto& tt : testcases) { |
| 1038 | MockProcessRunner runner; |
| 1039 | MockFirewall firewall; |
| 1040 | if (tt.result) { |
| 1041 | if (tt.family & IpFamily::IPv4) { |
| 1042 | EXPECT_CALL(runner, |
| 1043 | iptables(StrEq("filter"), tt.start_args, true, nullptr)) |
| 1044 | .WillOnce(Return(0)); |
| 1045 | EXPECT_CALL(runner, |
| 1046 | iptables(StrEq("filter"), tt.stop_args, true, nullptr)) |
| 1047 | .WillOnce(Return(0)); |
| 1048 | } |
| 1049 | if (tt.family & IpFamily::IPv6) { |
| 1050 | EXPECT_CALL(runner, |
| 1051 | ip6tables(StrEq("filter"), tt.start_args, true, nullptr)) |
| 1052 | .WillOnce(Return(0)); |
| 1053 | EXPECT_CALL(runner, |
| 1054 | ip6tables(StrEq("filter"), tt.stop_args, true, nullptr)) |
| 1055 | .WillOnce(Return(0)); |
| 1056 | } |
| 1057 | } |
| 1058 | Datapath datapath(&runner, &firewall); |
| 1059 | |
| 1060 | EXPECT_EQ(tt.result, datapath.StartIpForwarding(tt.family, tt.iif, tt.oif)); |
| 1061 | EXPECT_EQ(tt.result, datapath.StopIpForwarding(tt.family, tt.iif, tt.oif)); |
| 1062 | } |
| 1063 | } |
| 1064 | |
Hugo Benichi | 76be34a | 2020-08-26 22:35:54 +0900 | [diff] [blame] | 1065 | TEST(DatapathTest, StartStopConnectionPinning) { |
| 1066 | MockProcessRunner runner; |
| 1067 | MockFirewall firewall; |
| 1068 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 1069 | ElementsAre("-A", "POSTROUTING", "-o", "eth0", |
| 1070 | "-j", "CONNMARK", "--set-mark", |
| 1071 | "0x03eb0000/0xffff0000", "-w"), |
| 1072 | true, nullptr)); |
| 1073 | EXPECT_CALL(runner, iptables(StrEq("mangle"), |
| 1074 | ElementsAre("-D", "POSTROUTING", "-o", "eth0", |
| 1075 | "-j", "CONNMARK", "--set-mark", |
| 1076 | "0x03eb0000/0xffff0000", "-w"), |
| 1077 | true, nullptr)); |
| 1078 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 1079 | ElementsAre("-A", "POSTROUTING", "-o", "eth0", |
| 1080 | "-j", "CONNMARK", "--set-mark", |
| 1081 | "0x03eb0000/0xffff0000", "-w"), |
| 1082 | true, nullptr)); |
| 1083 | EXPECT_CALL(runner, ip6tables(StrEq("mangle"), |
| 1084 | ElementsAre("-D", "POSTROUTING", "-o", "eth0", |
| 1085 | "-j", "CONNMARK", "--set-mark", |
| 1086 | "0x03eb0000/0xffff0000", "-w"), |
| 1087 | true, nullptr)); |
| 1088 | Datapath datapath(&runner, &firewall); |
| 1089 | datapath.SetIfnameIndex("eth0", 3); |
| 1090 | datapath.StartConnectionPinning("eth0"); |
| 1091 | datapath.StopConnectionPinning("eth0"); |
| 1092 | } |
| 1093 | |
Garrick Evans | f0ab713 | 2019-06-18 14:50:42 +0900 | [diff] [blame] | 1094 | TEST(DatapathTest, AddInboundIPv4DNAT) { |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1095 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1096 | MockFirewall firewall; |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1097 | EXPECT_CALL(runner, iptables(StrEq("nat"), |
| 1098 | ElementsAre("-A", "PREROUTING", "-i", "eth0", |
| 1099 | "-m", "socket", "--nowildcard", "-j", |
| 1100 | "ACCEPT", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1101 | true, nullptr)); |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1102 | EXPECT_CALL(runner, iptables(StrEq("nat"), |
| 1103 | ElementsAre("-A", "PREROUTING", "-i", "eth0", |
| 1104 | "-p", "tcp", "-j", "DNAT", |
| 1105 | "--to-destination", "1.2.3.4", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1106 | true, nullptr)); |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1107 | EXPECT_CALL(runner, iptables(StrEq("nat"), |
| 1108 | ElementsAre("-A", "PREROUTING", "-i", "eth0", |
| 1109 | "-p", "udp", "-j", "DNAT", |
| 1110 | "--to-destination", "1.2.3.4", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1111 | true, nullptr)); |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1112 | Datapath datapath(&runner, &firewall); |
Garrick Evans | f0ab713 | 2019-06-18 14:50:42 +0900 | [diff] [blame] | 1113 | datapath.AddInboundIPv4DNAT("eth0", "1.2.3.4"); |
Garrick Evans | f0ab713 | 2019-06-18 14:50:42 +0900 | [diff] [blame] | 1114 | } |
| 1115 | |
| 1116 | TEST(DatapathTest, RemoveInboundIPv4DNAT) { |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1117 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1118 | MockFirewall firewall; |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1119 | EXPECT_CALL(runner, iptables(StrEq("nat"), |
| 1120 | ElementsAre("-D", "PREROUTING", "-i", "eth0", |
| 1121 | "-m", "socket", "--nowildcard", "-j", |
| 1122 | "ACCEPT", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1123 | true, nullptr)); |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1124 | EXPECT_CALL(runner, iptables(StrEq("nat"), |
| 1125 | ElementsAre("-D", "PREROUTING", "-i", "eth0", |
| 1126 | "-p", "tcp", "-j", "DNAT", |
| 1127 | "--to-destination", "1.2.3.4", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1128 | true, nullptr)); |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1129 | EXPECT_CALL(runner, iptables(StrEq("nat"), |
| 1130 | ElementsAre("-D", "PREROUTING", "-i", "eth0", |
| 1131 | "-p", "udp", "-j", "DNAT", |
| 1132 | "--to-destination", "1.2.3.4", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1133 | true, nullptr)); |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1134 | Datapath datapath(&runner, &firewall); |
Garrick Evans | f0ab713 | 2019-06-18 14:50:42 +0900 | [diff] [blame] | 1135 | datapath.RemoveInboundIPv4DNAT("eth0", "1.2.3.4"); |
Garrick Evans | f0ab713 | 2019-06-18 14:50:42 +0900 | [diff] [blame] | 1136 | } |
| 1137 | |
Garrick Evans | 664a82f | 2019-12-17 12:18:05 +0900 | [diff] [blame] | 1138 | TEST(DatapathTest, MaskInterfaceFlags) { |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1139 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1140 | MockFirewall firewall; |
| 1141 | Datapath datapath(&runner, &firewall, ioctl_req_cap); |
Hugo Benichi | 7c34267 | 2020-09-08 09:18:14 +0900 | [diff] [blame] | 1142 | |
Garrick Evans | 664a82f | 2019-12-17 12:18:05 +0900 | [diff] [blame] | 1143 | bool result = datapath.MaskInterfaceFlags("foo0", IFF_DEBUG); |
Taoyu Li | 90c1391 | 2019-11-26 17:56:54 +0900 | [diff] [blame] | 1144 | EXPECT_TRUE(result); |
Hugo Benichi | e8758b5 | 2020-04-03 14:49:01 +0900 | [diff] [blame] | 1145 | std::vector<ioctl_req_t> expected = {SIOCGIFFLAGS, SIOCSIFFLAGS}; |
Taoyu Li | 90c1391 | 2019-11-26 17:56:54 +0900 | [diff] [blame] | 1146 | EXPECT_EQ(ioctl_reqs, expected); |
| 1147 | ioctl_reqs.clear(); |
Hugo Benichi | 7c34267 | 2020-09-08 09:18:14 +0900 | [diff] [blame] | 1148 | ioctl_rtentry_args.clear(); |
Taoyu Li | 90c1391 | 2019-11-26 17:56:54 +0900 | [diff] [blame] | 1149 | } |
| 1150 | |
| 1151 | TEST(DatapathTest, AddIPv6Forwarding) { |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1152 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1153 | MockFirewall firewall; |
Taoyu Li | ca49c83 | 2019-12-06 17:56:43 +0900 | [diff] [blame] | 1154 | // Return 1 on iptables -C to simulate rule not existing case |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1155 | EXPECT_CALL(runner, ip6tables(StrEq("filter"), |
| 1156 | ElementsAre("-C", "FORWARD", "-i", "eth0", "-o", |
| 1157 | "arc_eth0", "-j", "ACCEPT", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1158 | false, nullptr)) |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1159 | .WillOnce(Return(1)); |
| 1160 | EXPECT_CALL(runner, ip6tables(StrEq("filter"), |
| 1161 | ElementsAre("-A", "FORWARD", "-i", "eth0", "-o", |
| 1162 | "arc_eth0", "-j", "ACCEPT", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1163 | true, nullptr)); |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1164 | EXPECT_CALL(runner, ip6tables(StrEq("filter"), |
| 1165 | ElementsAre("-C", "FORWARD", "-i", "arc_eth0", |
| 1166 | "-o", "eth0", "-j", "ACCEPT", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1167 | false, nullptr)) |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1168 | .WillOnce(Return(1)); |
| 1169 | EXPECT_CALL(runner, ip6tables(StrEq("filter"), |
| 1170 | ElementsAre("-A", "FORWARD", "-i", "arc_eth0", |
| 1171 | "-o", "eth0", "-j", "ACCEPT", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1172 | true, nullptr)); |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1173 | Datapath datapath(&runner, &firewall); |
Taoyu Li | 90c1391 | 2019-11-26 17:56:54 +0900 | [diff] [blame] | 1174 | datapath.AddIPv6Forwarding("eth0", "arc_eth0"); |
Taoyu Li | 90c1391 | 2019-11-26 17:56:54 +0900 | [diff] [blame] | 1175 | } |
| 1176 | |
Taoyu Li | ca49c83 | 2019-12-06 17:56:43 +0900 | [diff] [blame] | 1177 | TEST(DatapathTest, AddIPv6ForwardingRuleExists) { |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1178 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1179 | MockFirewall firewall; |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1180 | EXPECT_CALL(runner, ip6tables(StrEq("filter"), |
| 1181 | ElementsAre("-C", "FORWARD", "-i", "eth0", "-o", |
| 1182 | "arc_eth0", "-j", "ACCEPT", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1183 | false, nullptr)); |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1184 | EXPECT_CALL(runner, ip6tables(StrEq("filter"), |
| 1185 | ElementsAre("-C", "FORWARD", "-i", "arc_eth0", |
| 1186 | "-o", "eth0", "-j", "ACCEPT", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1187 | false, nullptr)); |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1188 | Datapath datapath(&runner, &firewall); |
Taoyu Li | ca49c83 | 2019-12-06 17:56:43 +0900 | [diff] [blame] | 1189 | datapath.AddIPv6Forwarding("eth0", "arc_eth0"); |
Taoyu Li | ca49c83 | 2019-12-06 17:56:43 +0900 | [diff] [blame] | 1190 | } |
| 1191 | |
Taoyu Li | 90c1391 | 2019-11-26 17:56:54 +0900 | [diff] [blame] | 1192 | TEST(DatapathTest, RemoveIPv6Forwarding) { |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1193 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1194 | MockFirewall firewall; |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1195 | EXPECT_CALL(runner, ip6tables(StrEq("filter"), |
| 1196 | ElementsAre("-D", "FORWARD", "-i", "eth0", "-o", |
| 1197 | "arc_eth0", "-j", "ACCEPT", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1198 | true, nullptr)); |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1199 | EXPECT_CALL(runner, ip6tables(StrEq("filter"), |
| 1200 | ElementsAre("-D", "FORWARD", "-i", "arc_eth0", |
| 1201 | "-o", "eth0", "-j", "ACCEPT", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1202 | true, nullptr)); |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1203 | Datapath datapath(&runner, &firewall); |
Taoyu Li | 90c1391 | 2019-11-26 17:56:54 +0900 | [diff] [blame] | 1204 | datapath.RemoveIPv6Forwarding("eth0", "arc_eth0"); |
Taoyu Li | 90c1391 | 2019-11-26 17:56:54 +0900 | [diff] [blame] | 1205 | } |
| 1206 | |
Taoyu Li | eb6cc8f | 2019-12-09 15:53:04 +0900 | [diff] [blame] | 1207 | TEST(DatapathTest, AddIPv6HostRoute) { |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1208 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1209 | MockFirewall firewall; |
Garrick Evans | 8e8e347 | 2020-01-23 14:03:50 +0900 | [diff] [blame] | 1210 | EXPECT_CALL(runner, |
| 1211 | ip6(StrEq("route"), StrEq("replace"), |
| 1212 | ElementsAre("2001:da8:e00::1234/128", "dev", "eth0"), true)); |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1213 | Datapath datapath(&runner, &firewall); |
Taoyu Li | eb6cc8f | 2019-12-09 15:53:04 +0900 | [diff] [blame] | 1214 | datapath.AddIPv6HostRoute("eth0", "2001:da8:e00::1234", 128); |
Taoyu Li | eb6cc8f | 2019-12-09 15:53:04 +0900 | [diff] [blame] | 1215 | } |
| 1216 | |
Hugo Benichi | e8758b5 | 2020-04-03 14:49:01 +0900 | [diff] [blame] | 1217 | TEST(DatapathTest, AddIPv4Route) { |
| 1218 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1219 | MockFirewall firewall; |
| 1220 | Datapath datapath(&runner, &firewall, (ioctl_t)ioctl_rtentry_cap); |
Hugo Benichi | e8758b5 | 2020-04-03 14:49:01 +0900 | [diff] [blame] | 1221 | |
| 1222 | datapath.AddIPv4Route(Ipv4Addr(192, 168, 1, 1), Ipv4Addr(100, 115, 93, 0), |
| 1223 | Ipv4Addr(255, 255, 255, 0)); |
| 1224 | datapath.DeleteIPv4Route(Ipv4Addr(192, 168, 1, 1), Ipv4Addr(100, 115, 93, 0), |
| 1225 | Ipv4Addr(255, 255, 255, 0)); |
| 1226 | datapath.AddIPv4Route("eth0", Ipv4Addr(100, 115, 92, 8), |
| 1227 | Ipv4Addr(255, 255, 255, 252)); |
| 1228 | datapath.DeleteIPv4Route("eth0", Ipv4Addr(100, 115, 92, 8), |
| 1229 | Ipv4Addr(255, 255, 255, 252)); |
| 1230 | |
| 1231 | std::vector<ioctl_req_t> expected_reqs = {SIOCADDRT, SIOCDELRT, SIOCADDRT, |
| 1232 | SIOCDELRT}; |
| 1233 | EXPECT_EQ(expected_reqs, ioctl_reqs); |
Hugo Benichi | e8758b5 | 2020-04-03 14:49:01 +0900 | [diff] [blame] | 1234 | |
| 1235 | std::string route1 = |
| 1236 | "{rt_dst: {family: AF_INET, port: 0, addr: 100.115.93.0}, rt_genmask: " |
| 1237 | "{family: AF_INET, port: 0, addr: 255.255.255.0}, rt_gateway: {family: " |
| 1238 | "AF_INET, port: 0, addr: 192.168.1.1}, rt_dev: null, rt_flags: RTF_UP | " |
| 1239 | "RTF_GATEWAY}"; |
| 1240 | std::string route2 = |
| 1241 | "{rt_dst: {family: AF_INET, port: 0, addr: 100.115.92.8}, rt_genmask: " |
| 1242 | "{family: AF_INET, port: 0, addr: 255.255.255.252}, rt_gateway: {unset}, " |
| 1243 | "rt_dev: eth0, rt_flags: RTF_UP | RTF_GATEWAY}"; |
| 1244 | std::vector<std::string> captured_routes; |
| 1245 | for (const auto& route : ioctl_rtentry_args) { |
| 1246 | std::ostringstream stream; |
| 1247 | stream << route.second; |
| 1248 | captured_routes.emplace_back(stream.str()); |
| 1249 | } |
Hugo Benichi | e8758b5 | 2020-04-03 14:49:01 +0900 | [diff] [blame] | 1250 | EXPECT_EQ(route1, captured_routes[0]); |
| 1251 | EXPECT_EQ(route1, captured_routes[1]); |
| 1252 | EXPECT_EQ(route2, captured_routes[2]); |
| 1253 | EXPECT_EQ(route2, captured_routes[3]); |
Hugo Benichi | 7c34267 | 2020-09-08 09:18:14 +0900 | [diff] [blame] | 1254 | ioctl_reqs.clear(); |
| 1255 | ioctl_rtentry_args.clear(); |
Hugo Benichi | e8758b5 | 2020-04-03 14:49:01 +0900 | [diff] [blame] | 1256 | } |
| 1257 | |
Garrick Evans | d291af6 | 2020-05-25 10:39:06 +0900 | [diff] [blame] | 1258 | TEST(DatapathTest, AddSNATMarkRules) { |
| 1259 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1260 | MockFirewall firewall; |
Taoyu Li | 79871c9 | 2020-07-02 16:09:39 +0900 | [diff] [blame] | 1261 | EXPECT_CALL( |
| 1262 | runner, |
| 1263 | iptables(StrEq("filter"), |
Hugo Benichi | 6c44532 | 2020-08-12 16:46:19 +0900 | [diff] [blame] | 1264 | ElementsAre("-A", "FORWARD", "-m", "mark", "--mark", "1/1", "-m", |
Taoyu Li | 79871c9 | 2020-07-02 16:09:39 +0900 | [diff] [blame] | 1265 | "state", "--state", "INVALID", "-j", "DROP", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1266 | true, nullptr)); |
Hugo Benichi | 6c44532 | 2020-08-12 16:46:19 +0900 | [diff] [blame] | 1267 | EXPECT_CALL(runner, |
| 1268 | iptables(StrEq("filter"), |
| 1269 | ElementsAre("-A", "FORWARD", "-m", "mark", "--mark", |
| 1270 | "1/1", "-j", "ACCEPT", "-w"), |
| 1271 | true, nullptr)); |
Garrick Evans | d291af6 | 2020-05-25 10:39:06 +0900 | [diff] [blame] | 1272 | EXPECT_CALL(runner, |
| 1273 | iptables(StrEq("nat"), |
| 1274 | ElementsAre("-A", "POSTROUTING", "-m", "mark", "--mark", |
Hugo Benichi | 6c44532 | 2020-08-12 16:46:19 +0900 | [diff] [blame] | 1275 | "1/1", "-j", "MASQUERADE", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1276 | true, nullptr)); |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1277 | Datapath datapath(&runner, &firewall); |
Garrick Evans | d291af6 | 2020-05-25 10:39:06 +0900 | [diff] [blame] | 1278 | datapath.AddSNATMarkRules(); |
| 1279 | } |
| 1280 | |
| 1281 | TEST(DatapathTest, RemoveSNATMarkRules) { |
| 1282 | MockProcessRunner runner; |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1283 | MockFirewall firewall; |
Taoyu Li | 79871c9 | 2020-07-02 16:09:39 +0900 | [diff] [blame] | 1284 | EXPECT_CALL( |
| 1285 | runner, |
| 1286 | iptables(StrEq("filter"), |
Hugo Benichi | 6c44532 | 2020-08-12 16:46:19 +0900 | [diff] [blame] | 1287 | ElementsAre("-D", "FORWARD", "-m", "mark", "--mark", "1/1", "-m", |
Taoyu Li | 79871c9 | 2020-07-02 16:09:39 +0900 | [diff] [blame] | 1288 | "state", "--state", "INVALID", "-j", "DROP", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1289 | true, nullptr)); |
Hugo Benichi | 6c44532 | 2020-08-12 16:46:19 +0900 | [diff] [blame] | 1290 | EXPECT_CALL(runner, |
| 1291 | iptables(StrEq("filter"), |
| 1292 | ElementsAre("-D", "FORWARD", "-m", "mark", "--mark", |
| 1293 | "1/1", "-j", "ACCEPT", "-w"), |
| 1294 | true, nullptr)); |
Garrick Evans | d291af6 | 2020-05-25 10:39:06 +0900 | [diff] [blame] | 1295 | EXPECT_CALL(runner, |
| 1296 | iptables(StrEq("nat"), |
| 1297 | ElementsAre("-D", "POSTROUTING", "-m", "mark", "--mark", |
Hugo Benichi | 6c44532 | 2020-08-12 16:46:19 +0900 | [diff] [blame] | 1298 | "1/1", "-j", "MASQUERADE", "-w"), |
Jie Jiang | cf5ce9c | 2020-07-14 17:22:03 +0900 | [diff] [blame] | 1299 | true, nullptr)); |
Jason Jeremy Iman | a7273a3 | 2020-08-04 11:25:31 +0900 | [diff] [blame] | 1300 | Datapath datapath(&runner, &firewall); |
Garrick Evans | d291af6 | 2020-05-25 10:39:06 +0900 | [diff] [blame] | 1301 | datapath.RemoveSNATMarkRules(); |
| 1302 | } |
| 1303 | |
Garrick Evans | 2f581a0 | 2020-05-11 10:43:35 +0900 | [diff] [blame] | 1304 | TEST(DatapathTest, ArcVethHostName) { |
| 1305 | EXPECT_EQ("vetheth0", ArcVethHostName("eth0")); |
| 1306 | EXPECT_EQ("vethrmnet0", ArcVethHostName("rmnet0")); |
| 1307 | EXPECT_EQ("vethrmnet_data0", ArcVethHostName("rmnet_data0")); |
| 1308 | EXPECT_EQ("vethifnamsiz_i0", ArcVethHostName("ifnamsiz_ifnam0")); |
| 1309 | auto ifname = ArcVethHostName("exceeds_ifnamesiz_checkanyway"); |
| 1310 | EXPECT_EQ("vethexceeds_ify", ifname); |
| 1311 | EXPECT_LT(ifname.length(), IFNAMSIZ); |
| 1312 | } |
| 1313 | |
Garrick Evans | 8a06756 | 2020-05-11 12:47:30 +0900 | [diff] [blame] | 1314 | TEST(DatapathTest, ArcBridgeName) { |
| 1315 | EXPECT_EQ("arc_eth0", ArcBridgeName("eth0")); |
| 1316 | EXPECT_EQ("arc_rmnet0", ArcBridgeName("rmnet0")); |
| 1317 | EXPECT_EQ("arc_rmnet_data0", ArcBridgeName("rmnet_data0")); |
| 1318 | EXPECT_EQ("arc_ifnamsiz_i0", ArcBridgeName("ifnamsiz_ifnam0")); |
| 1319 | auto ifname = ArcBridgeName("exceeds_ifnamesiz_checkanyway"); |
| 1320 | EXPECT_EQ("arc_exceeds_ify", ifname); |
| 1321 | EXPECT_LT(ifname.length(), IFNAMSIZ); |
| 1322 | } |
| 1323 | |
Garrick Evans | 3388a03 | 2020-03-24 11:25:55 +0900 | [diff] [blame] | 1324 | } // namespace patchpanel |