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feat(boot): basic support for secure boot via shim protocol

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Alex Zenla
2025-10-30 22:56:01 -04:00
parent 92f611e9a8
commit f593f5a601
13 changed files with 331 additions and 28 deletions
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7
src/utils.rs
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@@ -121,7 +121,7 @@ impl ResolvedPath {
/// Resolve a path specified by `input` to its various components.
/// Uses `default_root_path` as the base root if one is not specified in the path.
/// Returns [ResolvedPath] which contains the resolved components.
pub fn resolve_path(default_root_path: &DevicePath, input: &str) -> Result<ResolvedPath> {
pub fn resolve_path(default_root_path: Option<&DevicePath>, input: &str) -> Result<ResolvedPath> {
let mut path = text_to_device_path(input).context("unable to convert text to path")?;
let path_has_device = path
.node_iter()
@@ -137,6 +137,9 @@ pub fn resolve_path(default_root_path: &DevicePath, input: &str) -> Result<Resol
if !input.starts_with('\\') {
input.insert(0, '\\');
}
let default_root_path = default_root_path.context("unable to get default root path")?;
input.insert_str(
0,
device_path_root(default_root_path)
@@ -170,7 +173,7 @@ pub fn resolve_path(default_root_path: &DevicePath, input: &str) -> Result<Resol
/// This acquires exclusive protocol access to the [SimpleFileSystem] protocol of the resolved
/// filesystem handle, so care must be taken to call this function outside a scope with
/// the filesystem handle protocol acquired.
pub fn read_file_contents(default_root_path: &DevicePath, input: &str) -> Result<Vec<u8>> {
pub fn read_file_contents(default_root_path: Option<&DevicePath>, input: &str) -> Result<Vec<u8>> {
let resolved = resolve_path(default_root_path, input)?;
resolved.read_file()
}