initial buildroot for linux 5.15

support/testing/tests/init/base.py

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+import os
+import infra.basetest
+
+
+class InitSystemBase(infra.basetest.BRTest):
+
+    def start_emulator(self, fs_type, kernel=None, dtb=None, init=None):
+        img = os.path.join(self.builddir, "images", "rootfs.{}".format(fs_type))
+        infra.img_round_power2(img)
+
+        options = ["-drive",
+                   "file={},if=sd,format=raw".format(img),
+                   "-M", "vexpress-a9"]
+
+        if kernel is None:
+            kernel = "builtin"
+        else:
+            kernel = os.path.join(self.builddir, "images", kernel)
+            options.extend(["-dtb", os.path.join(self.builddir, "images",
+                                                 "{}.dtb".format(dtb))])
+
+        kernel_cmdline = ["root=/dev/mmcblk0",
+                          "rootfstype={}".format(fs_type),
+                          "rootwait",
+                          "ro",
+                          "console=ttyAMA0"]
+
+        if init is not None:
+            kernel_cmdline.extend(["init={}".format(init)])
+
+        self.emulator.boot(arch="armv7",
+                           kernel=kernel,
+                           kernel_cmdline=kernel_cmdline,
+                           options=options)
+
+        if init is None:
+            self.emulator.login()
+
+    def check_init(self, path):
+        cmd = "cmp /proc/1/exe {}".format(path)
+        self.assertRunOk(cmd)
+
+    def check_network(self, interface, exitCode=0):
+        cmd = "ip addr show {} |grep inet".format(interface)
+        _, exit_code = self.emulator.run(cmd)
+        self.assertEqual(exit_code, exitCode)

support/testing/tests/init/systemd-factory/var/foo/bar

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+foobar

support/testing/tests/init/test_busybox.py

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+import infra.basetest
+from tests.init.base import InitSystemBase as InitSystemBase
+
+
+class InitSystemBusyboxBase(InitSystemBase):
+    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
+        """
+        # BR2_TARGET_ROOTFS_TAR is not set
+        """
+
+    def check_init(self):
+        super(InitSystemBusyboxBase, self).check_init("/bin/busybox")
+
+
+class TestInitSystemBusyboxRo(InitSystemBusyboxBase):
+    config = InitSystemBusyboxBase.config + \
+        """
+        # BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
+        BR2_TARGET_ROOTFS_SQUASHFS=y
+        """
+
+    def test_run(self):
+        self.start_emulator("squashfs")
+        self.check_init()
+        self.check_network("eth0", 1)
+
+
+class TestInitSystemBusyboxRw(InitSystemBusyboxBase):
+    config = InitSystemBusyboxBase.config + \
+        """
+        BR2_TARGET_ROOTFS_EXT2=y
+        """
+
+    def test_run(self):
+        self.start_emulator("ext2")
+        self.check_init()
+        self.check_network("eth0", 1)
+
+
+class TestInitSystemBusyboxRoNet(InitSystemBusyboxBase):
+    config = InitSystemBusyboxBase.config + \
+        """
+        BR2_SYSTEM_DHCP="eth0"
+        # BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
+        BR2_TARGET_ROOTFS_SQUASHFS=y
+        """
+
+    def test_run(self):
+        self.start_emulator("squashfs")
+        self.check_init()
+        self.check_network("eth0")
+
+
+class TestInitSystemBusyboxRwNet(InitSystemBusyboxBase):
+    config = InitSystemBusyboxBase.config + \
+        """
+        BR2_SYSTEM_DHCP="eth0"
+        BR2_TARGET_ROOTFS_EXT2=y
+        """
+
+    def test_run(self):
+        self.start_emulator("ext2")
+        self.check_init()
+        self.check_network("eth0")

support/testing/tests/init/test_none.py

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+import pexpect
+
+import infra.basetest
+from tests.init.base import InitSystemBase as InitSystemBase
+
+
+class TestInitSystemNone(InitSystemBase):
+    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
+        """
+        BR2_INIT_NONE=y
+        # BR2_TARGET_ROOTFS_TAR is not set
+        BR2_TARGET_ROOTFS_SQUASHFS=y
+        """
+
+    def test_run(self):
+        self.start_emulator(fs_type="squashfs", init="/bin/sh")
+        index = self.emulator.qemu.expect(["/bin/sh: can't access tty; job control turned off", pexpect.TIMEOUT], timeout=60)
+        if index != 0:
+            self.emulator.logfile.write("==> System does not boot")
+            raise SystemError("System does not boot")
+        index = self.emulator.qemu.expect(["#", pexpect.TIMEOUT], timeout=60)
+        if index != 0:
+            self.emulator.logfile.write("==> System does not boot")
+            raise SystemError("System does not boot")
+
+        out, exit_code = self.emulator.run("sh -c 'echo $PPID'")
+        self.assertEqual(exit_code, 0)
+        self.assertEqual(out[0], "1")
+
+        self.assertRunOk("mount -t proc none /proc")
+
+        self.check_init("/bin/sh")

support/testing/tests/init/test_openrc.py

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+from tests.init.base import InitSystemBase as InitSystemBase
+
+
+class InitSystemOpenrcBase(InitSystemBase):
+    config = \
+        """
+        BR2_arm=y
+        BR2_cortex_a9=y
+        BR2_ARM_ENABLE_VFP=y
+        BR2_TOOLCHAIN_EXTERNAL=y
+        BR2_INIT_OPENRC=y
+        BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
+        # BR2_TARGET_ROOTFS_TAR is not set
+        """
+
+    def check_init(self):
+        super(InitSystemOpenrcBase, self).check_init('/sbin/openrc-init')
+
+        # Test all services are OK
+        output, _ = self.emulator.run("rc-status -c")
+        self.assertEqual(len(output), 0)
+
+
+class TestInitSystemOpenrcRoFull(InitSystemOpenrcBase):
+    config = InitSystemOpenrcBase.config + \
+        """
+        BR2_SYSTEM_DHCP="eth0"
+        # BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
+        BR2_TARGET_ROOTFS_SQUASHFS=y
+        """
+
+    def test_run(self):
+        self.start_emulator("squashfs")
+        self.check_init()
+
+
+class TestInitSystemOpenrcRwFull(InitSystemOpenrcBase):
+    config = InitSystemOpenrcBase.config + \
+        """
+        BR2_SYSTEM_DHCP="eth0"
+        BR2_TARGET_ROOTFS_EXT2=y
+        """
+
+    def test_run(self):
+        self.start_emulator("ext2")
+        self.check_init()

support/testing/tests/init/test_systemd.py

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+import infra.basetest
+from tests.init.base import InitSystemBase as InitSystemBase
+
+
+class InitSystemSystemdBase(InitSystemBase):
+    config = \
+        """
+        BR2_arm=y
+        BR2_cortex_a9=y
+        BR2_ARM_ENABLE_VFP=y
+        BR2_TOOLCHAIN_EXTERNAL=y
+        BR2_INIT_SYSTEMD=y
+        BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
+        BR2_LINUX_KERNEL=y
+        BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+        BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.19.204"
+        BR2_LINUX_KERNEL_DEFCONFIG="vexpress"
+        BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="{}"
+        BR2_LINUX_KERNEL_DTS_SUPPORT=y
+        BR2_LINUX_KERNEL_INTREE_DTS_NAME="vexpress-v2p-ca9"
+        # BR2_TARGET_ROOTFS_TAR is not set
+        """.format(infra.filepath("conf/binfmt-misc-kernel-fragment.config"))
+
+    def check_init(self):
+        super(InitSystemSystemdBase, self).check_init("/lib/systemd/systemd")
+
+        # Test all units are OK
+        output, _ = self.emulator.run("systemctl --no-pager --failed --no-legend")
+        self.assertEqual(len(output), 0)
+
+        # Test we can reach the DBus daemon
+        self.assertRunOk("busctl --no-pager")
+
+        # Test we can read at least one line from the journal
+        output, _ = self.emulator.run("journalctl --no-pager --lines 1 --quiet")
+        self.assertEqual(len(output), 1)
+
+
+class TestInitSystemSystemdRoNetworkd(InitSystemSystemdBase):
+    config = InitSystemSystemdBase.config + \
+        """
+        BR2_SYSTEM_DHCP="eth0"
+        # BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
+        BR2_ROOTFS_OVERLAY="{}"
+        BR2_TARGET_ROOTFS_SQUASHFS=y
+        """.format(infra.filepath("tests/init/systemd-factory"))
+
+    def test_run(self):
+        self.start_emulator("squashfs", "zImage", "vexpress-v2p-ca9")
+        self.check_init()
+        self.check_network("eth0")
+
+        # This one must be executed on the target, to check that
+        # the factory feature works as expected
+        out, exit_code = self.emulator.run("cat /var/foo/bar")
+        self.assertEqual(exit_code, 0)
+        self.assertEqual(out[0], "foobar")
+
+
+class TestInitSystemSystemdRwNetworkd(InitSystemSystemdBase):
+    config = InitSystemSystemdBase.config + \
+        """
+        BR2_SYSTEM_DHCP="eth0"
+        BR2_TARGET_ROOTFS_EXT2=y
+        """
+
+    def test_run(self):
+        self.start_emulator("ext2", "zImage", "vexpress-v2p-ca9")
+        self.check_init()
+        self.check_network("eth0")
+
+
+class TestInitSystemSystemdRoIfupdown(InitSystemSystemdBase):
+    config = InitSystemSystemdBase.config + \
+        """
+        BR2_SYSTEM_DHCP="eth0"
+        # BR2_PACKAGE_SYSTEMD_NETWORKD is not set
+        # BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
+        BR2_TARGET_ROOTFS_SQUASHFS=y
+        """
+
+    def test_run(self):
+        self.start_emulator("squashfs", "zImage", "vexpress-v2p-ca9")
+        self.check_init()
+        self.check_network("eth0")
+
+
+class TestInitSystemSystemdRwIfupdown(InitSystemSystemdBase):
+    config = InitSystemSystemdBase.config + \
+        """
+        BR2_SYSTEM_DHCP="eth0"
+        # BR2_PACKAGE_SYSTEMD_NETWORKD is not set
+        BR2_TARGET_ROOTFS_EXT2=y
+        """
+
+    def test_run(self):
+        self.start_emulator("ext2", "zImage", "vexpress-v2p-ca9")
+        self.check_init()
+        self.check_network("eth0")
+
+
+class TestInitSystemSystemdRoFull(InitSystemSystemdBase):
+    config = InitSystemSystemdBase.config + \
+        """
+        BR2_SYSTEM_DHCP="eth0"
+        # BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
+        BR2_PACKAGE_SYSTEMD_JOURNAL_REMOTE=y
+        BR2_PACKAGE_SYSTEMD_BACKLIGHT=y
+        BR2_PACKAGE_SYSTEMD_BINFMT=y
+        BR2_PACKAGE_SYSTEMD_COREDUMP=y
+        BR2_PACKAGE_SYSTEMD_FIRSTBOOT=y
+        BR2_PACKAGE_SYSTEMD_HIBERNATE=y
+        BR2_PACKAGE_SYSTEMD_IMPORTD=y
+        BR2_PACKAGE_SYSTEMD_LOCALED=y
+        BR2_PACKAGE_SYSTEMD_LOGIND=y
+        BR2_PACKAGE_SYSTEMD_MACHINED=y
+        BR2_PACKAGE_SYSTEMD_POLKIT=y
+        BR2_PACKAGE_SYSTEMD_QUOTACHECK=y
+        BR2_PACKAGE_SYSTEMD_RANDOMSEED=y
+        BR2_PACKAGE_SYSTEMD_RFKILL=y
+        BR2_PACKAGE_SYSTEMD_SMACK_SUPPORT=y
+        BR2_PACKAGE_SYSTEMD_SYSUSERS=y
+        BR2_PACKAGE_SYSTEMD_VCONSOLE=y
+        BR2_TARGET_ROOTFS_SQUASHFS=y
+        """
+
+    def test_run(self):
+        self.start_emulator("squashfs", "zImage", "vexpress-v2p-ca9")
+        self.check_init()
+        self.check_network("eth0")
+
+
+class TestInitSystemSystemdRwFull(InitSystemSystemdBase):
+    config = InitSystemSystemdBase.config + \
+        """
+        BR2_SYSTEM_DHCP="eth0"
+        BR2_PACKAGE_SYSTEMD_JOURNAL_REMOTE=y
+        BR2_PACKAGE_SYSTEMD_BACKLIGHT=y
+        BR2_PACKAGE_SYSTEMD_BINFMT=y
+        BR2_PACKAGE_SYSTEMD_COREDUMP=y
+        BR2_PACKAGE_SYSTEMD_FIRSTBOOT=y
+        BR2_PACKAGE_SYSTEMD_HIBERNATE=y
+        BR2_PACKAGE_SYSTEMD_IMPORTD=y
+        BR2_PACKAGE_SYSTEMD_LOCALED=y
+        BR2_PACKAGE_SYSTEMD_LOGIND=y
+        BR2_PACKAGE_SYSTEMD_MACHINED=y
+        BR2_PACKAGE_SYSTEMD_POLKIT=y
+        BR2_PACKAGE_SYSTEMD_QUOTACHECK=y
+        BR2_PACKAGE_SYSTEMD_RANDOMSEED=y
+        BR2_PACKAGE_SYSTEMD_RFKILL=y
+        BR2_PACKAGE_SYSTEMD_SMACK_SUPPORT=y
+        BR2_PACKAGE_SYSTEMD_SYSUSERS=y
+        BR2_PACKAGE_SYSTEMD_VCONSOLE=y
+        BR2_TARGET_ROOTFS_EXT2=y
+        """
+
+    def test_run(self):
+        self.start_emulator("ext2", "zImage", "vexpress-v2p-ca9")
+        self.check_init()
+        self.check_network("eth0")

support/testing/tests/init/test_systemd_selinux.py

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+import os
+
+import infra.basetest
+
+
+class TestSELinuxSystemd(infra.basetest.BRTest):
+    config = \
+        """
+        BR2_x86_64=y
+        BR2_x86_corei7=y
+        BR2_TOOLCHAIN_EXTERNAL=y
+        BR2_INIT_SYSTEMD=y
+        BR2_LINUX_KERNEL=y
+        BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+        BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.8.12"
+        BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
+        BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/x86_64/linux.config"
+        BR2_PACKAGE_LIBSELINUX=y
+        BR2_PACKAGE_REFPOLICY=y
+        """
+
+    def wait_boot(self):
+        # The complete boot with systemd takes more time than what the default multipler permits
+        self.emulator.timeout_multiplier *= 10
+        self.emulator.login()
+
+    def run_tests(self, fstype):
+        kernel = os.path.join(self.builddir, "images", "bzImage")
+        rootfs = os.path.join(self.builddir, "images", "rootfs.{}".format(fstype))
+
+        self.emulator.boot(arch="x86_64", kernel=kernel,
+                           kernel_cmdline=["root=/dev/vda", "rootfstype={}".format(fstype),
+                                           "console=ttyS0", "security=selinux"],
+                           options=["-cpu", "Nehalem",
+                                    "-drive", "file={},if=virtio,format=raw".format(rootfs)])
+        self.wait_boot()
+
+        # Test the reported SELinux mode.
+        out, ret = self.emulator.run("getenforce")
+        self.assertEqual(ret, 0)
+        self.assertEqual(out[0], "Permissive")
+
+        # Check the extended arguments are correctly set.
+        out, ret = self.emulator.run("ls -dZ /")
+        self.assertEqual(ret, 0)
+        self.assertEqual(out[0].split()[0], "system_u:object_r:root_t")
+
+        # Check init's attributes.
+        out, ret = self.emulator.run("cat /proc/1/attr/current")
+        self.assertEqual(ret, 0)
+        self.assertEqual(out[0], "system_u:system_r:init_t\0")
+
+
+class TestSELinuxSystemdExt4(TestSELinuxSystemd):
+    config = TestSELinuxSystemd.config + \
+        """
+        BR2_TARGET_ROOTFS_EXT2=y
+        BR2_TARGET_ROOTFS_EXT2_4=y
+        BR2_TARGET_ROOTFS_EXT2_SIZE="100M"
+        """
+
+    def test_run(self):
+        self.run_tests("ext4")
+
+
+class TestSELinuxSystemdSquashfs(TestSELinuxSystemd):
+    config = TestSELinuxSystemd.config + \
+        """
+        BR2_TARGET_ROOTFS_SQUASHFS=y
+        BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="{}"
+        """.format(
+            infra.filepath("tests/init/test_systemd_selinux/linux-squashfs.fragment"),
+        )
+
+    def test_run(self):
+        self.run_tests("squashfs")

support/testing/tests/init/test_systemd_selinux/linux-squashfs.fragment

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+CONFIG_SQUASHFS=y