tests: add functional tests for seccomp

Test KILL and ERRNO actions.

Signed-off-by: Mauricio Vásquez <[email protected]>

tests/integration/seccomp.bats

@@ -33,3 +33,69 @@ function teardown() {
  runc run test_busybox
  [ "$status" -eq 0 ]
 }
+
+# TODO:
+# - Test other actions like SCMP_ACT_TRAP, SCMP_ACT_TRACE, SCMP_ACT_LOG.
+# - Test args (index, value, valueTwo, etc).
+
+@test "runc run [seccomp] (SCMP_ACT_ERRNO default)" {
+ update_config ' .process.args = ["/bin/sh", "-c", "mkdir /dev/shm/foo"]
+ | .process.noNewPrivileges = false
+ | .linux.seccomp = {
+ "defaultAction":"SCMP_ACT_ALLOW",
+ "architectures":["SCMP_ARCH_X86","SCMP_ARCH_X32"],
+ "syscalls":[{"names":["mkdir"], "action":"SCMP_ACT_ERRNO"}]
+ }'
+
+ runc run test_busybox
+ [ "$status" -ne 0 ]
+ [[ "$output" == *"mkdir:"*"/dev/shm/foo"*"Operation not permitted"* ]]
+}
+
+@test "runc run [seccomp] (SCMP_ACT_ERRNO explicit errno)" {
+ update_config ' .process.args = ["/bin/sh", "-c", "mkdir /dev/shm/foo"]
+ | .process.noNewPrivileges = false
+ | .linux.seccomp = {
+ "defaultAction":"SCMP_ACT_ALLOW",
+ "architectures":["SCMP_ARCH_X86","SCMP_ARCH_X32"],
+ "syscalls":[{"names":["mkdir"], "action":"SCMP_ACT_ERRNO", "errnoRet": 100}]
+ }'
+
+ runc run test_busybox
+ [ "$status" -ne 0 ]
+ [[ "$output" == *"Network is down"* ]]
+}
+
+@test "runc run [seccomp] (SCMP_ACT_KILL)" {
+ update_config ' .process.args = ["/bin/sh", "-c", "mkdir /dev/shm/foo"]
+ | .process.noNewPrivileges = false
+ | .linux.seccomp = {
+ "defaultAction":"SCMP_ACT_ALLOW",
+ "architectures":["SCMP_ARCH_X86","SCMP_ARCH_X32"],
+ "syscalls":[{"names":["mkdir"], "action":"SCMP_ACT_KILL"}]
+ }'
+
+ runc run test_busybox
+ [ "$status" -ne 0 ]
+}
+
+# check that a startContainer hook is run with the seccomp filters applied
+@test "runc run [seccomp] (startContainer hook)" {
+ update_config ' .process.args = ["/bin/true"]
+ | .linux.seccomp = {
+ "defaultAction":"SCMP_ACT_ALLOW",
+ "architectures":["SCMP_ARCH_X86","SCMP_ARCH_X32"],
+ "syscalls":[{"names":["mkdir"], "action":"SCMP_ACT_KILL"}]
+ }
+ | .hooks = {
+ "startContainer": [ {
+ "path": "/bin/sh",
+ "args": ["sh", "-c", "mkdir /dev/shm/foo"]
+ } ]
+ }'
+
+ runc run test_busybox
+ [ "$status" -ne 0 ]
+ [[ "$output" == *"error running hook"* ]]
+ [[ "$output" == *"bad system call"* ]]
+}