631b1746e2
* libafl_nyx: Add support for `StdOutObserver` * reset file offset * update example fuzzers * fix
48 lines
1.7 KiB
Rust
48 lines
1.7 KiB
Rust
use typed_builder::TypedBuilder;
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const DEFAULT_INPUT_BUFFER_SIZE: usize = 1024 * 1024;
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const DEFAULT_TIMEOUT_SECS: u8 = 2;
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const DEFAULT_TIMEOUT_MICRO_SECS: u32 = 0;
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const DEFAULT_SNAP_MODE: bool = true;
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#[derive(Debug, Clone, Copy, TypedBuilder)]
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pub struct NyxSettings {
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/// The CPU core for the Nyx process.
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///
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/// Depending on the value of `parent_cpu_id`, the created Nyx process
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/// will be one of the following types:
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/// * Standalone: `parent_cpu_id.is_none()`.
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/// * Parent: `parent_cpu_id.is_some_and(|parent_cpu_id| parent_cpu_id == cpu_id)`.
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/// * Child: `parent_cpu_id.is_some_and(|parent_cpu_id| parent_cpu_id != cpu_id)`.
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pub cpu_id: usize,
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/// The CPU core for the Nyx parent process. The parent process
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/// creates the fuzzing snapshot that can then be used by the child
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/// processes.
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///
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/// Not specifying this will start the Nyx process in standalone mode.
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pub parent_cpu_id: Option<usize>,
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/// Reload the VM by using the fuzzing snapshot. You probably want
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/// this to be `true`.
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#[builder(default = DEFAULT_SNAP_MODE)]
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pub snap_mode: bool,
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/// The input buffer size (in bytes) used to pass the input to the
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/// QEMU-Nyx VM.
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///
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/// Default is `1MB`.
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#[builder(default = DEFAULT_INPUT_BUFFER_SIZE)]
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pub input_buffer_size: usize,
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/// The timeout for a single execution in seconds (until the
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/// hypervisor restore snapshot call).
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#[builder(default = DEFAULT_TIMEOUT_SECS)]
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pub timeout_secs: u8,
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/// Additional timeout in microseconds that gets added to
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/// `timeout_secs`.
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#[builder(default = DEFAULT_TIMEOUT_MICRO_SECS)]
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pub timeout_micro_secs: u32,
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}
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