[PATCH 5/6] efidebug: add multiple device path instances on Boot####
Ilias Apalodimas
ilias.apalodimas at linaro.org
Thu Mar 11 13:42:00 CET 2021
On Thu, Mar 11, 2021 at 01:38:33PM +0100, Heinrich Schuchardt wrote:
> > + }
> > +
> > + initrd_dp =
> > + efi_dp_append_instance((const struct efi_device_path *)&id_dp,
>
> Please, pass &id_dp.end here to avoid a superfluous end node.
Wont this make efi_dp_size() loop endlessly?
Regards
/Ilias
>
> Best regards
>
> Heinrich
>
> > + tmp_fp);
> > + if (!initrd_dp) {
> > + printf("Cannot append media vendor device path path\n");
> > + goto out;
> > + }
> > + final_fp = efi_dp_concat(fp, initrd_dp);
> > + *fp_size = efi_dp_size(fp) + efi_dp_size(initrd_dp) +
> > + (2 * sizeof(struct efi_device_path));
> > +
> > +out:
> > + efi_free_pool(initrd_dp);
> > + efi_free_pool(tmp_dp);
> > + efi_free_pool(tmp_fp);
> > + return final_fp ? final_fp : ERR_PTR(-EINVAL);
> > +}
> > +
> > /**
> > * do_efi_boot_add() - set UEFI load option
> > *
> > @@ -806,7 +868,9 @@ static int do_efi_show_tables(struct cmd_tbl *cmdtp, int flag,
> > *
> > * Implement efidebug "boot add" sub-command. Create or change UEFI load option.
> > *
> > - * efidebug boot add <id> <label> <interface> <devnum>[:<part>] <file> <options>
> > + * efidebug boot add -b <id> <label> <interface> <devnum>[:<part>] <file>
> > + * -i <file> <interface2> <devnum2>[:<part>] <initrd>
> > + * -s '<options>'
> > */
> > static int do_efi_boot_add(struct cmd_tbl *cmdtp, int flag,
> > int argc, char *const argv[])
> > @@ -819,55 +883,98 @@ static int do_efi_boot_add(struct cmd_tbl *cmdtp, int flag,
> > size_t label_len, label_len16;
> > u16 *label;
> > struct efi_device_path *device_path = NULL, *file_path = NULL;
> > + struct efi_device_path *final_fp = NULL;
> > struct efi_load_option lo;
> > void *data = NULL;
> > efi_uintn_t size;
> > + efi_uintn_t fp_size;
> > efi_status_t ret;
> > int r = CMD_RET_SUCCESS;
> > -
> > - if (argc < 6 || argc > 7)
> > - return CMD_RET_USAGE;
> > -
> > - id = (int)simple_strtoul(argv[1], &endp, 16);
> > - if (*endp != '\0' || id > 0xffff)
> > - return CMD_RET_USAGE;
> > -
> > - sprintf(var_name, "Boot%04X", id);
> > - p = var_name16;
> > - utf8_utf16_strncpy(&p, var_name, 9);
> > + int i;
> >
> > guid = efi_global_variable_guid;
> >
> > /* attributes */
> > lo.attributes = LOAD_OPTION_ACTIVE; /* always ACTIVE */
> > + lo.optional_data = NULL;
> > + lo.label = NULL;
> >
> > - /* label */
> > - label_len = strlen(argv[2]);
> > - label_len16 = utf8_utf16_strnlen(argv[2], label_len);
> > - label = malloc((label_len16 + 1) * sizeof(u16));
> > - if (!label)
> > - return CMD_RET_FAILURE;
> > - lo.label = label; /* label will be changed below */
> > - utf8_utf16_strncpy(&label, argv[2], label_len);
> > + /* search for -b first since the rest of the arguments depends on that */
> > + for (i = 0; i < argc; i++) {
> > + if (!strcmp(argv[i], "-b")) {
> > + if (argc < i + 5 || lo.label) {
> > + r = CMD_RET_USAGE;
> > + goto out;
> > + }
> > + id = (int)simple_strtoul(argv[i + 1], &endp, 16);
> > + if (*endp != '\0' || id > 0xffff)
> > + return CMD_RET_USAGE;
> > +
> > + sprintf(var_name, "Boot%04X", id);
> > + p = var_name16;
> > + utf8_utf16_strncpy(&p, var_name, 9);
> > +
> > + /* label */
> > + label_len = strlen(argv[i + 2]);
> > + label_len16 = utf8_utf16_strnlen(argv[i + 2], label_len);
> > + label = malloc((label_len16 + 1) * sizeof(u16));
> > + if (!label)
> > + return CMD_RET_FAILURE;
> > + lo.label = label; /* label will be changed below */
> > + utf8_utf16_strncpy(&label, argv[i + 2], label_len);
> > +
> > + /* file path */
> > + ret = efi_dp_from_name(argv[i + 3], argv[i + 4],
> > + argv[i + 5], &device_path,
> > + &file_path);
> > + if (ret != EFI_SUCCESS) {
> > + printf("Cannot create device path for \"%s %s\"\n",
> > + argv[3], argv[4]);
> > + r = CMD_RET_FAILURE;
> > + goto out;
> > + break;
> > + }
> > + fp_size = efi_dp_size(file_path) +
> > + sizeof(struct efi_device_path);
> > + }
> > + }
> >
> > - /* file path */
> > - ret = efi_dp_from_name(argv[3], argv[4], argv[5], &device_path,
> > - &file_path);
> > - if (ret != EFI_SUCCESS) {
> > - printf("Cannot create device path for \"%s %s\"\n",
> > - argv[3], argv[4]);
> > + if (!file_path) {
> > + printf("You need to specify an image before an initrd.\n");
> > r = CMD_RET_FAILURE;
> > goto out;
> > }
> > - lo.file_path = file_path;
> > - lo.file_path_length = efi_dp_size(file_path)
> > - + sizeof(struct efi_device_path); /* for END */
> >
> > - /* optional data */
> > - if (argc == 6)
> > - lo.optional_data = NULL;
> > - else
> > - lo.optional_data = (const u8 *)argv[6];
> > + /* add now add initrd and extra data */
> > + for (i = 0; i < argc; i++) {
> > + if (!strcmp(argv[i], "-i")) {
> > + if (argc < i + 3 || final_fp) {
> > + r = CMD_RET_USAGE;
> > + goto out;
> > + }
> > +
> > + final_fp = add_initrd_instance(argv[i + 1], argv[i + 2],
> > + argv[i + 3], file_path,
> > + &fp_size);
> > + if (IS_ERR(final_fp)) {
> > + r = CMD_RET_FAILURE;
> > + goto out;
> > + }
> > +
> > + /* add_initrd_instance allocates a new device path */
> > + efi_free_pool(file_path);
> > + file_path = final_fp;
> > + } else if (!strcmp(argv[i], "-s")) {
> > + if (argc < i + 1 || lo.optional_data) {
> > + r = CMD_RET_USAGE;
> > + goto out;
> > + }
> > + lo.optional_data = (const u8 *)argv[i + 1];
> > + }
> > + }
> > +
> > + lo.file_path = file_path;
> > + lo.file_path_length = fp_size;
> >
> > size = efi_serialize_load_option(&lo, (u8 **)&data);
> > if (!size) {
> > @@ -951,11 +1058,14 @@ static int do_efi_boot_rm(struct cmd_tbl *cmdtp, int flag,
> > */
> > static void show_efi_boot_opt_data(u16 *varname16, void *data, size_t *size)
> > {
> > + struct efi_device_path *initrd_path = NULL;
> > struct efi_load_option lo;
> > char *label, *p;
> > size_t label_len16, label_len;
> > u16 *dp_str;
> > efi_status_t ret;
> > + efi_uintn_t initrd_dp_size;
> > + const efi_guid_t lf2_initrd_guid = EFI_INITRD_MEDIA_GUID;
> >
> > ret = efi_deserialize_load_option(&lo, data, size);
> > if (ret != EFI_SUCCESS) {
> > @@ -986,6 +1096,14 @@ static void show_efi_boot_opt_data(u16 *varname16, void *data, size_t *size)
> > printf(" file_path: %ls\n", dp_str);
> > efi_free_pool(dp_str);
> >
> > + initrd_path = efi_dp_from_lo(&lo, &initrd_dp_size, lf2_initrd_guid);
> > + if (initrd_path) {
> > + dp_str = efi_dp_str(initrd_path);
> > + printf(" initrd_path: %ls\n", dp_str);
> > + efi_free_pool(dp_str);
> > + efi_free_pool(initrd_path);
> > + }
> > +
> > printf(" data:\n");
> > print_hex_dump(" ", DUMP_PREFIX_OFFSET, 16, 1,
> > lo.optional_data, *size, true);
> > @@ -1555,7 +1673,10 @@ static int do_efidebug(struct cmd_tbl *cmdtp, int flag,
> > static char efidebug_help_text[] =
> > " - UEFI Shell-like interface to configure UEFI environment\n"
> > "\n"
> > - "efidebug boot add <bootid> <label> <interface> <devnum>[:<part>] <file path> [<load options>]\n"
> > + "efidebug boot add "
> > + "-b <bootid> <label> <interface> <devnum>[:<part>] <file path> "
> > + "-i <interface> <devnum>[:<part>] <initrd file path> "
> > + "-s '<optional data>'\n"
> > " - set UEFI BootXXXX variable\n"
> > " <load options> will be passed to UEFI application\n"
> > "efidebug boot rm <bootid#1> [<bootid#2> [<bootid#3> [...]]]\n"
> > @@ -1599,7 +1720,7 @@ static char efidebug_help_text[] =
> > #endif
> >
> > U_BOOT_CMD(
> > - efidebug, 10, 0, do_efidebug,
> > + efidebug, CONFIG_SYS_MAXARGS, 0, do_efidebug,
> > "Configure UEFI environment",
> > efidebug_help_text
> > );
> > diff --git a/doc/board/emulation/qemu_capsule_update.rst b/doc/board/emulation/qemu_capsule_update.rst
> > index 9fec75f8f1c9..33ce4bcd32ea 100644
> > --- a/doc/board/emulation/qemu_capsule_update.rst
> > +++ b/doc/board/emulation/qemu_capsule_update.rst
> > @@ -60,7 +60,7 @@ to be pointing to the EFI System Partition which contains the capsule
> > file. The BootNext, BootXXXX and OsIndications variables can be set
> > using the following commands::
> >
> > - => efidebug boot add 0 Boot0000 virtio 0:1 <capsule_file_name>
> > + => efidebug boot add -b 0 Boot0000 virtio 0:1 <capsule_file_name>
> > => efidebug boot next 0
> > => setenv -e -nv -bs -rt -v OsIndications =0x04
> > => saveenv
> > @@ -198,7 +198,7 @@ command line::
> > 3. Set the following environment and UEFI boot variables
> >
> > => setenv -e -nv -bs -rt -v OsIndications =0x04
> > - => efidebug boot add 0 Boot0000 virtio 0:1 <capsule_file_name>
> > + => efidebug boot add -b 0 Boot0000 virtio 0:1 <capsule_file_name>
> > => efidebug boot next 0
> > => saveenv
> >
> > diff --git a/doc/uefi/uefi.rst b/doc/uefi/uefi.rst
> > index 5a67737c1579..b3494c22e073 100644
> > --- a/doc/uefi/uefi.rst
> > +++ b/doc/uefi/uefi.rst
> > @@ -178,7 +178,7 @@ Now in U-Boot install the keys on your board::
> >
> > Set up boot parameters on your board::
> >
> > - efidebug boot add 1 HELLO mmc 0:1 /helloworld.efi.signed ""
> > + efidebug boot add -b 1 HELLO mmc 0:1 /helloworld.efi.signed ""
> >
> > Now your board can run the signed image via the boot manager (see below).
> > You can also try this sequence by running Pytest, test_efi_secboot,
> > diff --git a/test/py/tests/test_efi_capsule/test_capsule_firmware.py b/test/py/tests/test_efi_capsule/test_capsule_firmware.py
> > index f006fa95d650..e8b0a1575453 100644
> > --- a/test/py/tests/test_efi_capsule/test_capsule_firmware.py
> > +++ b/test/py/tests/test_efi_capsule/test_capsule_firmware.py
> > @@ -39,7 +39,7 @@ class TestEfiCapsuleFirmwareFit(object):
> > with u_boot_console.log.section('Test Case 1-a, before reboot'):
> > output = u_boot_console.run_command_list([
> > 'host bind 0 %s' % disk_img,
> > - 'efidebug boot add 1 TEST host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 1 TEST host 0:1 /helloworld.efi ""',
> > 'efidebug boot order 1',
> > 'env set -e OsIndications',
> > 'env set dfu_alt_info "sf 0:0=u-boot-bin raw 0x100000 0x50000;u-boot-env raw 0x150000 0x200000"',
> > @@ -114,7 +114,7 @@ class TestEfiCapsuleFirmwareFit(object):
> > with u_boot_console.log.section('Test Case 2-a, before reboot'):
> > output = u_boot_console.run_command_list([
> > 'host bind 0 %s' % disk_img,
> > - 'efidebug boot add 1 TEST host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 1 TEST host 0:1 /helloworld.efi ""',
> > 'efidebug boot order 1',
> > 'env set -e -nv -bs -rt OsIndications =0x0000000000000004',
> > 'env set dfu_alt_info "sf 0:0=u-boot-bin raw 0x100000 0x50000;u-boot-env raw 0x150000 0x200000"',
> > @@ -188,7 +188,7 @@ class TestEfiCapsuleFirmwareFit(object):
> > with u_boot_console.log.section('Test Case 3-a, before reboot'):
> > output = u_boot_console.run_command_list([
> > 'host bind 0 %s' % disk_img,
> > - 'efidebug boot add 1 TEST host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 1 TEST host 0:1 /helloworld.efi ""',
> > 'efidebug boot order 1',
> > 'env set -e -nv -bs -rt OsIndications =0x0000000000000004',
> > 'env set dfu_alt_info "sf 0:0=u-boot-bin raw 0x100000 0x50000;u-boot-env raw 0x150000 0x200000"',
> > diff --git a/test/py/tests/test_efi_secboot/test_signed.py b/test/py/tests/test_efi_secboot/test_signed.py
> > index 863685e215b7..75f5ea772300 100644
> > --- a/test/py/tests/test_efi_secboot/test_signed.py
> > +++ b/test/py/tests/test_efi_secboot/test_signed.py
> > @@ -28,7 +28,7 @@ class TestEfiSignedImage(object):
> > # Test Case 1a, run signed image if no PK
> > output = u_boot_console.run_command_list([
> > 'host bind 0 %s' % disk_img,
> > - 'efidebug boot add 1 HELLO1 host 0:1 /helloworld.efi.signed ""',
> > + 'efidebug boot add -b 1 HELLO1 host 0:1 /helloworld.efi.signed ""',
> > 'efidebug boot next 1',
> > 'bootefi bootmgr'])
> > assert 'Hello, world!' in ''.join(output)
> > @@ -36,7 +36,7 @@ class TestEfiSignedImage(object):
> > with u_boot_console.log.section('Test Case 1b'):
> > # Test Case 1b, run unsigned image if no PK
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 2 HELLO2 host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 2 HELLO2 host 0:1 /helloworld.efi ""',
> > 'efidebug boot next 2',
> > 'bootefi bootmgr'])
> > assert 'Hello, world!' in ''.join(output)
> > @@ -58,13 +58,13 @@ class TestEfiSignedImage(object):
> > 'setenv -e -nv -bs -rt -at -i 4000000:$filesize PK'])
> > assert 'Failed to set EFI variable' not in ''.join(output)
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO1 host 0:1 /helloworld.efi.signed ""',
> > + 'efidebug boot add -b 1 HELLO1 host 0:1 /helloworld.efi.signed ""',
> > 'efidebug boot next 1',
> > 'efidebug test bootmgr'])
> > assert('\'HELLO1\' failed' in ''.join(output))
> > assert('efi_start_image() returned: 26' in ''.join(output))
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 2 HELLO2 host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 2 HELLO2 host 0:1 /helloworld.efi ""',
> > 'efidebug boot next 2',
> > 'efidebug test bootmgr'])
> > assert '\'HELLO2\' failed' in ''.join(output)
> > @@ -104,7 +104,7 @@ class TestEfiSignedImage(object):
> > 'setenv -e -nv -bs -rt -at -i 4000000:$filesize PK'])
> > assert 'Failed to set EFI variable' not in ''.join(output)
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi.signed ""',
> > + 'efidebug boot add -b 1 HELLO host 0:1 /helloworld.efi.signed ""',
> > 'efidebug boot next 1',
> > 'efidebug test bootmgr'])
> > assert '\'HELLO\' failed' in ''.join(output)
> > @@ -142,7 +142,7 @@ class TestEfiSignedImage(object):
> > 'setenv -e -nv -bs -rt -at -i 4000000:$filesize PK'])
> > assert 'Failed to set EFI variable' not in ''.join(output)
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi.signed ""',
> > + 'efidebug boot add -b 1 HELLO host 0:1 /helloworld.efi.signed ""',
> > 'efidebug boot next 1',
> > 'efidebug test bootmgr'])
> > assert '\'HELLO\' failed' in ''.join(output)
> > @@ -169,7 +169,7 @@ class TestEfiSignedImage(object):
> > 'setenv -e -nv -bs -rt -at -i 4000000:$filesize PK'])
> > assert 'Failed to set EFI variable' not in ''.join(output)
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi.signed_2sigs ""',
> > + 'efidebug boot add -b 1 HELLO host 0:1 /helloworld.efi.signed_2sigs ""',
> > 'efidebug boot next 1',
> > 'efidebug test bootmgr'])
> > assert 'Hello, world!' in ''.join(output)
> > @@ -227,7 +227,7 @@ class TestEfiSignedImage(object):
> > 'setenv -e -nv -bs -rt -at -i 4000000:$filesize PK'])
> > assert 'Failed to set EFI variable' not in ''.join(output)
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi.signed ""',
> > + 'efidebug boot add -b 1 HELLO host 0:1 /helloworld.efi.signed ""',
> > 'efidebug boot next 1',
> > 'bootefi bootmgr'])
> > assert 'Hello, world!' in ''.join(output)
> > diff --git a/test/py/tests/test_efi_secboot/test_signed_intca.py b/test/py/tests/test_efi_secboot/test_signed_intca.py
> > index 70d6be00e8a8..0849572a5143 100644
> > --- a/test/py/tests/test_efi_secboot/test_signed_intca.py
> > +++ b/test/py/tests/test_efi_secboot/test_signed_intca.py
> > @@ -39,7 +39,7 @@ class TestEfiSignedImageIntca(object):
> > assert 'Failed to set EFI variable' not in ''.join(output)
> >
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO_a host 0:1 /helloworld.efi.signed_a ""',
> > + 'efidebug boot add -b 1 HELLO_a host 0:1 /helloworld.efi.signed_a ""',
> > 'efidebug boot next 1',
> > 'efidebug test bootmgr'])
> > assert '\'HELLO_a\' failed' in ''.join(output)
> > @@ -48,7 +48,7 @@ class TestEfiSignedImageIntca(object):
> > with u_boot_console.log.section('Test Case 1b'):
> > # Test Case 1b, signed and authenticated by root CA
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 2 HELLO_ab host 0:1 /helloworld.efi.signed_ab ""',
> > + 'efidebug boot add -b 2 HELLO_ab host 0:1 /helloworld.efi.signed_ab ""',
> > 'efidebug boot next 2',
> > 'bootefi bootmgr'])
> > assert 'Hello, world!' in ''.join(output)
> > @@ -70,7 +70,7 @@ class TestEfiSignedImageIntca(object):
> > assert 'Failed to set EFI variable' not in ''.join(output)
> >
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO_abc host 0:1 /helloworld.efi.signed_abc ""',
> > + 'efidebug boot add -b 1 HELLO_abc host 0:1 /helloworld.efi.signed_abc ""',
> > 'efidebug boot next 1',
> > 'efidebug test bootmgr'])
> > assert '\'HELLO_abc\' failed' in ''.join(output)
> > @@ -116,7 +116,7 @@ class TestEfiSignedImageIntca(object):
> > assert 'Failed to set EFI variable' not in ''.join(output)
> >
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO_abc host 0:1 /helloworld.efi.signed_abc ""',
> > + 'efidebug boot add -b 1 HELLO_abc host 0:1 /helloworld.efi.signed_abc ""',
> > 'efidebug boot next 1',
> > 'efidebug test bootmgr'])
> > assert 'Hello, world!' in ''.join(output)
> > diff --git a/test/py/tests/test_efi_secboot/test_unsigned.py b/test/py/tests/test_efi_secboot/test_unsigned.py
> > index 56f56e19eb84..8e026f7566ad 100644
> > --- a/test/py/tests/test_efi_secboot/test_unsigned.py
> > +++ b/test/py/tests/test_efi_secboot/test_unsigned.py
> > @@ -35,7 +35,7 @@ class TestEfiUnsignedImage(object):
> > assert 'Failed to set EFI variable' not in ''.join(output)
> >
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 1 HELLO host 0:1 /helloworld.efi ""',
> > 'efidebug boot next 1',
> > 'bootefi bootmgr'])
> > assert '\'HELLO\' failed' in ''.join(output)
> > @@ -64,7 +64,7 @@ class TestEfiUnsignedImage(object):
> > assert 'Failed to set EFI variable' not in ''.join(output)
> >
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 1 HELLO host 0:1 /helloworld.efi ""',
> > 'efidebug boot next 1',
> > 'bootefi bootmgr'])
> > assert 'Hello, world!' in ''.join(output)
> > @@ -88,7 +88,7 @@ class TestEfiUnsignedImage(object):
> > assert 'Failed to set EFI variable' not in ''.join(output)
> >
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 1 HELLO host 0:1 /helloworld.efi ""',
> > 'efidebug boot next 1',
> > 'bootefi bootmgr'])
> > assert '\'HELLO\' failed' in ''.join(output)
> > @@ -106,7 +106,7 @@ class TestEfiUnsignedImage(object):
> > assert 'Failed to set EFI variable' not in ''.join(output)
> >
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 1 HELLO host 0:1 /helloworld.efi ""',
> > 'efidebug boot next 1',
> > 'bootefi bootmgr'])
> > assert '\'HELLO\' failed' in ''.join(output)
> >
>
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