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Merge pull request #135 from RustScan/ba-add-scan-strategy
Add port scanning strategy
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Original file line number | Diff line number | Diff line change |
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mod range_iterator; | ||
use super::ScanOrder; | ||
use range_iterator::RangeIterator; | ||
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pub enum PortStrategy { | ||
Serial(SerialRange), | ||
Random(RandomRange), | ||
} | ||
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impl PortStrategy { | ||
pub fn pick(start: u16, end: u16, scan_type: ScanOrder) -> Self { | ||
match scan_type { | ||
ScanOrder::Serial => PortStrategy::Serial(SerialRange { start, end }), | ||
ScanOrder::Random => PortStrategy::Random(RandomRange { start, end }), | ||
} | ||
} | ||
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pub fn order(&self) -> Vec<u16> { | ||
match self { | ||
PortStrategy::Serial(range) => range.generate(), | ||
PortStrategy::Random(range) => range.generate(), | ||
} | ||
} | ||
} | ||
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trait RangeOrder { | ||
fn generate(&self) -> Vec<u16>; | ||
} | ||
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pub struct SerialRange { | ||
start: u16, | ||
end: u16, | ||
} | ||
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impl RangeOrder for SerialRange { | ||
fn generate(&self) -> Vec<u16> { | ||
(self.start..self.end).collect() | ||
} | ||
} | ||
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pub struct RandomRange { | ||
start: u16, | ||
end: u16, | ||
} | ||
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impl RangeOrder for RandomRange { | ||
fn generate(&self) -> Vec<u16> { | ||
RangeIterator::new(self.start.into(), self.end.into()).collect() | ||
} | ||
} | ||
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#[cfg(test)] | ||
mod tests { | ||
use super::PortStrategy; | ||
use crate::ScanOrder; | ||
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#[test] | ||
fn serial_strategy() { | ||
let strategy = PortStrategy::pick(1, 100, ScanOrder::Serial); | ||
let result = strategy.order(); | ||
let expected_range = (1..100).into_iter().collect::<Vec<u16>>(); | ||
assert_eq!(expected_range, result); | ||
} | ||
#[test] | ||
fn random_strategy() { | ||
let strategy = PortStrategy::pick(1, 100, ScanOrder::Random); | ||
let mut result = strategy.order(); | ||
let expected_range = (1..100).into_iter().collect::<Vec<u16>>(); | ||
assert_ne!(expected_range, result); | ||
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result.sort(); | ||
assert_eq!(expected_range, result); | ||
} | ||
} |
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