1use fidl::unpersist;
2use fidl_cf_sc_internal_fshostconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::Node;
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7 0xe6, 0x38, 0xd3, 0x49, 0x49, 0x76, 0x9e, 0xac, 0x89, 0x48, 0x46, 0x54, 0xcd, 0xaa, 0x46, 0xe2,
8 0x99, 0x33, 0x32, 0x99, 0xdf, 0x43, 0x9c, 0xe2, 0xd1, 0xbd, 0x43, 0x38, 0x9d, 0x32, 0x90, 0xd9,
9];
10const EXPECTED_CHECKSUM_LENGTH: [u8; 2] = (EXPECTED_CHECKSUM.len() as u16).to_le_bytes();
11#[derive(Debug)]
12pub struct Config {
13 pub blob_max_bytes: u64,
14 pub blobfs: bool,
15 pub blobfs_initial_inodes: u64,
16 pub blobfs_use_deprecated_padded_format: bool,
17 pub check_filesystems: bool,
18 pub data: bool,
19 pub data_filesystem_format: String,
20 pub data_max_bytes: u64,
21 pub disable_automount: bool,
22 pub disable_block_watcher: bool,
23 pub factory: bool,
24 pub format_data_on_corruption: bool,
25 pub fvm: bool,
26 pub fvm_slice_size: u64,
27 pub fxfs_blob: bool,
28 pub fxfs_crypt_url: String,
29 pub gpt: bool,
30 pub gpt_all: bool,
31 pub inline_crypto: bool,
32 pub merge_super_and_userdata: bool,
33 pub no_zxcrypt: bool,
34 pub provision_fxfs: bool,
35 pub ramdisk_image: bool,
36 pub starnix_volume_name: String,
37 pub startup_profiling_seconds: u32,
38 pub use_driver_blob_paging: bool,
39}
40impl Config {
41 #[doc = r" Take the config startup handle and parse its contents."]
42 #[doc = r""]
43 #[doc = r" # Panics"]
44 #[doc = r""]
45 #[doc = r" If the config startup handle was already taken or if it is not valid."]
46 pub fn take_from_startup_handle() -> Self {
47 <Self as ComponentConfig>::take_from_startup_handle()
48 }
49 #[doc = r" Parse `Self` from `vmo`."]
50 pub fn from_vmo(vmo: &zx::Vmo) -> Result<Self, Error> {
51 <Self as ComponentConfig>::from_vmo(vmo)
52 }
53 #[doc = r" Parse `Self` from `bytes`."]
54 pub fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
55 <Self as ComponentConfig>::from_bytes(bytes)
56 }
57 pub fn record_inspect(&self, inspector_node: &Node) {
58 <Self as ComponentConfig>::record_inspect(self, inspector_node)
59 }
60}
61impl ComponentConfig for Config {
62 #[doc = r" Parse `Self` from `bytes`."]
63 fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
64 let (checksum_len_bytes, bytes) = bytes.split_at_checked(2).ok_or(Error::TooFewBytes)?;
65 let checksum_len_bytes: [u8; 2] =
66 checksum_len_bytes.try_into().expect("previous call guaranteed 2 element slice");
67 let checksum_length = u16::from_le_bytes(checksum_len_bytes) as usize;
68 let (observed_checksum, bytes) =
69 bytes.split_at_checked(checksum_length).ok_or(Error::TooFewBytes)?;
70 if observed_checksum != EXPECTED_CHECKSUM {
71 return Err(Error::ChecksumMismatch {
72 expected_checksum: EXPECTED_CHECKSUM.to_vec(),
73 observed_checksum: observed_checksum.to_vec(),
74 });
75 }
76 let fidl_config: FidlConfig = unpersist(bytes).map_err(Error::Unpersist)?;
77 Ok(Self {
78 blob_max_bytes: fidl_config.blob_max_bytes,
79 blobfs: fidl_config.blobfs,
80 blobfs_initial_inodes: fidl_config.blobfs_initial_inodes,
81 blobfs_use_deprecated_padded_format: fidl_config.blobfs_use_deprecated_padded_format,
82 check_filesystems: fidl_config.check_filesystems,
83 data: fidl_config.data,
84 data_filesystem_format: fidl_config.data_filesystem_format,
85 data_max_bytes: fidl_config.data_max_bytes,
86 disable_automount: fidl_config.disable_automount,
87 disable_block_watcher: fidl_config.disable_block_watcher,
88 factory: fidl_config.factory,
89 format_data_on_corruption: fidl_config.format_data_on_corruption,
90 fvm: fidl_config.fvm,
91 fvm_slice_size: fidl_config.fvm_slice_size,
92 fxfs_blob: fidl_config.fxfs_blob,
93 fxfs_crypt_url: fidl_config.fxfs_crypt_url,
94 gpt: fidl_config.gpt,
95 gpt_all: fidl_config.gpt_all,
96 inline_crypto: fidl_config.inline_crypto,
97 merge_super_and_userdata: fidl_config.merge_super_and_userdata,
98 no_zxcrypt: fidl_config.no_zxcrypt,
99 provision_fxfs: fidl_config.provision_fxfs,
100 ramdisk_image: fidl_config.ramdisk_image,
101 starnix_volume_name: fidl_config.starnix_volume_name,
102 startup_profiling_seconds: fidl_config.startup_profiling_seconds,
103 use_driver_blob_paging: fidl_config.use_driver_blob_paging,
104 })
105 }
106 fn to_bytes(&self) -> Result<Vec<u8>, Error> {
107 let fidl_config = FidlConfig {
108 blob_max_bytes: self.blob_max_bytes.clone(),
109 blobfs: self.blobfs.clone(),
110 blobfs_initial_inodes: self.blobfs_initial_inodes.clone(),
111 blobfs_use_deprecated_padded_format: self.blobfs_use_deprecated_padded_format.clone(),
112 check_filesystems: self.check_filesystems.clone(),
113 data: self.data.clone(),
114 data_filesystem_format: self.data_filesystem_format.clone(),
115 data_max_bytes: self.data_max_bytes.clone(),
116 disable_automount: self.disable_automount.clone(),
117 disable_block_watcher: self.disable_block_watcher.clone(),
118 factory: self.factory.clone(),
119 format_data_on_corruption: self.format_data_on_corruption.clone(),
120 fvm: self.fvm.clone(),
121 fvm_slice_size: self.fvm_slice_size.clone(),
122 fxfs_blob: self.fxfs_blob.clone(),
123 fxfs_crypt_url: self.fxfs_crypt_url.clone(),
124 gpt: self.gpt.clone(),
125 gpt_all: self.gpt_all.clone(),
126 inline_crypto: self.inline_crypto.clone(),
127 merge_super_and_userdata: self.merge_super_and_userdata.clone(),
128 no_zxcrypt: self.no_zxcrypt.clone(),
129 provision_fxfs: self.provision_fxfs.clone(),
130 ramdisk_image: self.ramdisk_image.clone(),
131 starnix_volume_name: self.starnix_volume_name.clone(),
132 startup_profiling_seconds: self.startup_profiling_seconds.clone(),
133 use_driver_blob_paging: self.use_driver_blob_paging.clone(),
134 };
135 let mut fidl_bytes = fidl::persist(&fidl_config).map_err(Error::Persist)?;
136 let mut bytes = Vec::with_capacity(
137 EXPECTED_CHECKSUM_LENGTH.len() + EXPECTED_CHECKSUM.len() + fidl_bytes.len(),
138 );
139 bytes.extend_from_slice(&EXPECTED_CHECKSUM_LENGTH);
140 bytes.extend_from_slice(EXPECTED_CHECKSUM);
141 bytes.append(&mut fidl_bytes);
142 Ok(bytes)
143 }
144 fn record_inspect(&self, inspector_node: &Node) {
145 inspector_node.record_uint("blob_max_bytes", self.blob_max_bytes);
146 inspector_node.record_bool("blobfs", self.blobfs);
147 inspector_node.record_uint("blobfs_initial_inodes", self.blobfs_initial_inodes);
148 inspector_node.record_bool(
149 "blobfs_use_deprecated_padded_format",
150 self.blobfs_use_deprecated_padded_format,
151 );
152 inspector_node.record_bool("check_filesystems", self.check_filesystems);
153 inspector_node.record_bool("data", self.data);
154 inspector_node.record_string("data_filesystem_format", &self.data_filesystem_format);
155 inspector_node.record_uint("data_max_bytes", self.data_max_bytes);
156 inspector_node.record_bool("disable_automount", self.disable_automount);
157 inspector_node.record_bool("disable_block_watcher", self.disable_block_watcher);
158 inspector_node.record_bool("factory", self.factory);
159 inspector_node.record_bool("format_data_on_corruption", self.format_data_on_corruption);
160 inspector_node.record_bool("fvm", self.fvm);
161 inspector_node.record_uint("fvm_slice_size", self.fvm_slice_size);
162 inspector_node.record_bool("fxfs_blob", self.fxfs_blob);
163 inspector_node.record_string("fxfs_crypt_url", &self.fxfs_crypt_url);
164 inspector_node.record_bool("gpt", self.gpt);
165 inspector_node.record_bool("gpt_all", self.gpt_all);
166 inspector_node.record_bool("inline_crypto", self.inline_crypto);
167 inspector_node.record_bool("merge_super_and_userdata", self.merge_super_and_userdata);
168 inspector_node.record_bool("no_zxcrypt", self.no_zxcrypt);
169 inspector_node.record_bool("provision_fxfs", self.provision_fxfs);
170 inspector_node.record_bool("ramdisk_image", self.ramdisk_image);
171 inspector_node.record_string("starnix_volume_name", &self.starnix_volume_name);
172 inspector_node
173 .record_uint("startup_profiling_seconds", self.startup_profiling_seconds as u64);
174 inspector_node.record_bool("use_driver_blob_paging", self.use_driver_blob_paging);
175 }
176}