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Sadly the loopdev crates is unmaintained and this patch needs some upstream functionality beyond latest crates.io release.
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Felix Obenhuber
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Sep 12, 2023
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,84 +1,102 @@ | ||
| fn main() { | ||
| use anyhow::{Context, Result}; | ||
| use std::{env, path::PathBuf}; | ||
|
|
||
| use bindgen::Builder; | ||
|
|
||
| fn main() -> Result<()> { | ||
| loopdev()?; | ||
|
|
||
| #[cfg(feature = "seccomp")] | ||
| generate_seccomp(); | ||
| generate_seccomp()?; | ||
|
|
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| Ok(()) | ||
| } | ||
|
|
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| #[cfg(feature = "seccomp")] | ||
| fn generate_seccomp() { | ||
| use std::{env, fs, io::Write, path}; | ||
| fn generate_seccomp() -> Result<()> { | ||
| use std::{fs, io::Write}; | ||
|
|
||
| fn generate() -> anyhow::Result<()> { | ||
| let lines = bindgen::Builder::default() | ||
| .header_contents("syscall.h", "#include <sys/syscall.h>") | ||
| .allowlist_var("SYS_[0-9a-zA-Z_]+") | ||
| .generate() | ||
| .expect("failed to generate syscall bindings") | ||
| .to_string(); | ||
| let lines: Vec<&str> = lines | ||
| .lines() | ||
| .filter(|s| s.starts_with("pub const SYS_")) | ||
| .collect(); | ||
| let lines = bindgen::Builder::default() | ||
| .header_contents("syscall.h", "#include <sys/syscall.h>") | ||
| .allowlist_var("SYS_[0-9a-zA-Z_]+") | ||
| .generate() | ||
| .context("failed to generate syscall bindings")? | ||
| .to_string(); | ||
| let lines: Vec<&str> = lines | ||
| .lines() | ||
| .filter(|s| s.starts_with("pub const SYS_")) | ||
| .collect(); | ||
|
|
||
| let out_path = path::PathBuf::from(env::var("OUT_DIR")?); | ||
| let mut f = fs::File::create(out_path.join("syscall_bindings.rs"))?; | ||
| let out_path = PathBuf::from(env::var("OUT_DIR")?); | ||
| let mut f = fs::File::create(out_path.join("syscall_bindings.rs"))?; | ||
|
|
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| f.write_all(lines.join("\n").as_bytes())?; | ||
| writeln!(f)?; | ||
| writeln!(f)?; | ||
| f.write_all(lines.join("\n").as_bytes())?; | ||
| writeln!(f)?; | ||
| writeln!(f)?; | ||
|
|
||
| // Write static map that associates syscall strings with syscall numbers | ||
| writeln!(f, "lazy_static::lazy_static! {{")?; | ||
| writeln!( | ||
| f, | ||
| " pub(super) static ref SYSCALL_MAP: std::collections::HashMap<&'static str, u32> = {{" | ||
| )?; | ||
| writeln!(f, " let mut map = std::collections::HashMap::new();")?; | ||
| lines.iter().try_for_each(|l| { | ||
| let mut split = l.split_ascii_whitespace(); | ||
| let var = split.nth(2).unwrap().trim_end_matches(':'); | ||
| let name = var.replace("SYS_", ""); | ||
| writeln!(f, " map.insert(\"{name}\", {var});")?; | ||
| std::io::Result::Ok(()) | ||
| })?; | ||
| writeln!(f, " map")?; | ||
| writeln!(f, " }};")?; | ||
| writeln!(f, "}}")?; | ||
| // Write static map that associates syscall strings with syscall numbers | ||
| writeln!(f, "lazy_static::lazy_static! {{")?; | ||
| writeln!( | ||
| f, | ||
| " pub(super) static ref SYSCALL_MAP: std::collections::HashMap<&'static str, u32> = {{" | ||
| )?; | ||
| writeln!(f, " let mut map = std::collections::HashMap::new();")?; | ||
| lines.iter().try_for_each(|l| { | ||
| let mut split = l.split_ascii_whitespace(); | ||
| let var = split.nth(2).unwrap().trim_end_matches(':'); | ||
| let name = var.replace("SYS_", ""); | ||
| writeln!(f, " map.insert(\"{name}\", {var});")?; | ||
| std::io::Result::Ok(()) | ||
| })?; | ||
| writeln!(f, " map")?; | ||
| writeln!(f, " }};")?; | ||
| writeln!(f, "}}")?; | ||
|
|
||
| let out_path = std::path::PathBuf::from(env::var("OUT_DIR")?); | ||
| bindgen::Builder::default() | ||
| .header_contents( | ||
| "seccomp.h", | ||
| r#"#include <linux/seccomp.h> | ||
| let out_path = PathBuf::from(env::var("OUT_DIR")?); | ||
| bindgen::Builder::default() | ||
| .header_contents( | ||
| "seccomp.h", | ||
| r#"#include <linux/seccomp.h> | ||
| #include <linux/filter.h> | ||
| #include <linux/audit.h>"#, | ||
| ) | ||
| .layout_tests(false) | ||
| .allowlist_type("seccomp_data") | ||
| .allowlist_type("sock_fprog") | ||
| .allowlist_var("BPF_ABS") | ||
| .allowlist_var("BPF_AND") | ||
| .allowlist_var("BPF_ALU") | ||
| .allowlist_var("BPF_IMM") | ||
| .allowlist_var("BPF_IND") | ||
| .allowlist_var("BPF_JEQ") | ||
| .allowlist_var("BPF_JMP") | ||
| .allowlist_var("BPF_NEG") | ||
| .allowlist_var("BPF_K") | ||
| .allowlist_var("BPF_LD") | ||
| .allowlist_var("BPF_LDX") | ||
| .allowlist_var("BPF_MEM") | ||
| .allowlist_var("BPF_OR") | ||
| .allowlist_var("BPF_RET") | ||
| .allowlist_var("BPF_ST") | ||
| .allowlist_var("BPF_W") | ||
| .allowlist_var("BPF_MAXINSNS") | ||
| .allowlist_var("AUDIT_ARCH_X86_64") | ||
| .allowlist_var("AUDIT_ARCH_AARCH64") | ||
| .generate() | ||
| .expect("failed to generate seccomp bindings") | ||
| .write_to_file(out_path.join("seccomp_bindings.rs"))?; | ||
| Ok(()) | ||
| } | ||
| ) | ||
| .layout_tests(false) | ||
| .allowlist_type("seccomp_data") | ||
| .allowlist_type("sock_fprog") | ||
| .allowlist_var("BPF_ABS") | ||
| .allowlist_var("BPF_AND") | ||
| .allowlist_var("BPF_ALU") | ||
| .allowlist_var("BPF_IMM") | ||
| .allowlist_var("BPF_IND") | ||
| .allowlist_var("BPF_JEQ") | ||
| .allowlist_var("BPF_JMP") | ||
| .allowlist_var("BPF_NEG") | ||
| .allowlist_var("BPF_K") | ||
| .allowlist_var("BPF_LD") | ||
| .allowlist_var("BPF_LDX") | ||
| .allowlist_var("BPF_MEM") | ||
| .allowlist_var("BPF_OR") | ||
| .allowlist_var("BPF_RET") | ||
| .allowlist_var("BPF_ST") | ||
| .allowlist_var("BPF_W") | ||
| .allowlist_var("BPF_MAXINSNS") | ||
| .allowlist_var("AUDIT_ARCH_X86_64") | ||
| .allowlist_var("AUDIT_ARCH_AARCH64") | ||
| .generate() | ||
| .context("failed to generate seccomp bindings")? | ||
| .write_to_file(out_path.join("seccomp_bindings.rs"))?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| fn loopdev() -> Result<()> { | ||
| let out_path = PathBuf::from(env::var("OUT_DIR")?); | ||
| let bindings = Builder::default() | ||
| .header_contents("loopdev.h", "#include <linux/loop.h>") | ||
| .derive_default(true) | ||
| .generate() | ||
| .context("failed to generated loopdev bindings")?; | ||
|
|
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| generate().expect("failed to generate seccomp bindings"); | ||
| bindings | ||
| .write_to_file(out_path.join("loopdev.rs")) | ||
| .context("failed to generated loopdev bindings") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| The MIT License (MIT) | ||
|
|
||
| Copyright (c) 2016 Michael Daffin | ||
|
|
||
| Permission is hereby granted, free of charge, to any person obtaining a copy of | ||
| this software and associated documentation files (the "Software"), to deal in | ||
| the Software without restriction, including without limitation the rights to | ||
| use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of | ||
| the Software, and to permit persons to whom the Software is furnished to do so, | ||
| subject to the following conditions: | ||
|
|
||
| The above copyright notice and this permission notice shall be included in all | ||
| copies or substantial portions of the Software. | ||
|
|
||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS | ||
| FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR | ||
| COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | ||
| IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | ||
| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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