Struct Interceptor

Source

pub struct Interceptor { /* private fields */ }

Expand description

Provide the main functionality for intercepting.

Implementations§

Source §

impl Interceptor

Source

pub fn new(cmd: Command) -> Result<Self>

create child process by specific a std::process::Command

Examples found in repository ?

examples/demo.rs (line 15)

9fn main() -> Result<(), Box<dyn std::error::Error>> {
10    let args = args().collect::<Vec<_>>();
11    let mut cmd = Command::new(&args[0]);
12    if let Some(args) = args.get(1..) {
13        cmd.args(args);
14    }
15    Interceptor::new(cmd)?.on(&openat).run()?;
16    Ok(())
17}

Source

pub fn on<R, A1, A2, A3, A4, A5, A6>( &mut self, syscall: &'static SysCall<R, A1, A2, A3, A4, A5, A6>, ) -> &mut Self
where R: Number, A1: Read, A2: Read, A3: Read, A4: Read, A5: Read, A6: Read, MayBePtr<<A1 as Read>::InnerType>: Write<A1> + Ptr<A1>, MayBePtr<<A2 as Read>::InnerType>: Write<A2> + Ptr<A2>, MayBePtr<<A3 as Read>::InnerType>: Write<A3> + Ptr<A3>, MayBePtr<<A4 as Read>::InnerType>: Write<A4> + Ptr<A4>, MayBePtr<<A5 as Read>::InnerType>: Write<A5> + Ptr<A5>, MayBePtr<<A6 as Read>::InnerType>: Write<A6> + Ptr<A6>,

register syscall to interceptor

Examples found in repository ?

examples/demo.rs (line 15)

9fn main() -> Result<(), Box<dyn std::error::Error>> {
10    let args = args().collect::<Vec<_>>();
11    let mut cmd = Command::new(&args[0]);
12    if let Some(args) = args.get(1..) {
13        cmd.args(args);
14    }
15    Interceptor::new(cmd)?.on(&openat).run()?;
16    Ok(())
17}

Source

pub fn run(&mut self) -> Result<()>

run the child process and begin intercepting

Examples found in repository ?

examples/demo.rs (line 15)

9fn main() -> Result<(), Box<dyn std::error::Error>> {
10    let args = args().collect::<Vec<_>>();
11    let mut cmd = Command::new(&args[0]);
12    if let Some(args) = args.get(1..) {
13        cmd.args(args);
14    }
15    Interceptor::new(cmd)?.on(&openat).run()?;
16    Ok(())
17}