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Merge pull request #23454 from keszybz/portable-introspect

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Fix bus introspection of portable1
This commit is contained in:
Yu Watanabe 2022-05-21 03:41:22 +09:00 committed by GitHub
commit cd532c633f
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5 changed files with 30 additions and 9 deletions
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2
src/portable/portable.c
View File

@ -582,6 +582,8 @@ static int extract_image_and_extensions(
"PORTABLE_PREFIXES", &prefixes);
if (r < 0)
return r;
if (isempty(id))
return sd_bus_error_set_errnof(error, SYNTHETIC_ERRNO(ESTALE), "Image %s os-release metadata lacks the ID field", name_or_path);
if (prefixes) {
valid_prefixes = strv_split(prefixes, WHITESPACE);

19
src/portable/portabled-image-bus.c
View File

@ -1045,19 +1045,23 @@ int bus_image_acquire(
/* If it's a short name, let's search for it */
r = image_find(IMAGE_PORTABLE, name_or_path, NULL, &loaded);
if (r == -ENOENT)
return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_PORTABLE_IMAGE, "No image '%s' found.", name_or_path);
return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_PORTABLE_IMAGE,
"No image '%s' found.", name_or_path);
/* other errors are handled below… */
} else {
/* Don't accept path if this is always forbidden */
if (mode == BUS_IMAGE_REFUSE_BY_PATH)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Expected image name, not path in place of '%s'.", name_or_path);
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
"Expected image name, not path in place of '%s'.", name_or_path);
if (!path_is_absolute(name_or_path))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is not valid or not a valid path.", name_or_path);
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
"Image name '%s' is not valid or not a valid path.", name_or_path);
if (!path_is_normalized(name_or_path))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image path '%s' is not normalized.", name_or_path);
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
"Image path '%s' is not normalized.", name_or_path);
if (mode == BUS_IMAGE_AUTHENTICATE_BY_PATH) {
r = bus_verify_polkit_async(
@ -1080,7 +1084,9 @@ int bus_image_acquire(
r = image_from_path(name_or_path, &loaded);
}
if (r == -EMEDIUMTYPE) {
sd_bus_error_setf(error, BUS_ERROR_BAD_PORTABLE_IMAGE_TYPE, "Typ of image '%s' not recognized; supported image types are directories/btrfs subvolumes, block devices, and raw disk image files with suffix '.raw'.", name_or_path);
sd_bus_error_setf(error, BUS_ERROR_BAD_PORTABLE_IMAGE_TYPE,
"Type of image '%s' not recognized; supported image types are directories/btrfs subvolumes, block devices, and raw disk image files with suffix '.raw'.",
name_or_path);
return r;
}
if (r < 0)
@ -1120,6 +1126,9 @@ int bus_image_object_find(
return 0;
if (r == 0)
goto not_found;
if (isempty(e))
/* The path is "/org/freedesktop/portable1/image" itself */
goto not_found;
r = bus_image_acquire(m, sd_bus_get_current_message(bus), e, NULL, BUS_IMAGE_REFUSE_BY_PATH, NULL, &image, error);
if (r == -ENOENT)

2
src/shared/dissect-image.c
View File

@ -3157,7 +3157,7 @@ int verity_dissect_and_mount(
* First, check the distro ID. If that matches, then check the new SYSEXT_LEVEL value if
* available, or else fallback to VERSION_ID. If neither is present (eg: rolling release),
* then a simple match on the ID will be performed. */
if (required_host_os_release_id) {
if (!isempty(required_host_os_release_id)) {
_cleanup_strv_free_ char **extension_release = NULL;
r = load_extension_release_pairs(dest, dissected_image->image_name, &extension_release);

6
src/shared/extension-release.c
View File

@ -51,13 +51,13 @@ int extension_release_validate(
extension_release_id = strv_env_pairs_get(extension_release, "ID");
if (isempty(extension_release_id)) {
log_debug("Extension '%s' does not contain ID in extension-release but requested to match '%s'",
name, strna(host_os_release_id));
name, host_os_release_id);
return 0;
}
if (!streq_ptr(host_os_release_id, extension_release_id)) {
if (!streq(host_os_release_id, extension_release_id)) {
log_debug("Extension '%s' is for OS '%s', but deployed on top of '%s'.",
name, strna(extension_release_id), strna(host_os_release_id));
name, extension_release_id, host_os_release_id);
return 0;
}

10
test/units/testsuite-29.sh
View File

@ -152,6 +152,16 @@ umount /tmp/rootdir
umount /tmp/app0
umount /tmp/app1
# Lack of ID field in os-release should be rejected, but it caused a crash in the past instead
mkdir -p /tmp/emptyroot/usr/lib
mkdir -p /tmp/emptyext/usr/lib/extension-release.d
touch /tmp/emptyroot/usr/lib/os-release
touch /tmp/emptyext/usr/lib/extension-release.d/extension-release.emptyext
# Remote peer disconnected -> portabled crashed
res="$(! portablectl attach --extension /tmp/emptyext /tmp/emptyroot 2> >(grep "Remote peer disconnected"))"
test -z "${res}"
echo OK >/testok
exit 0