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Rust language pcap library

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pcap Build status Crates.io

This is a Rust language crate for accessing the packet sniffing capabilities of pcap (or wpcap on Windows). If you need anything feel free to post an issue or submit a pull request!

Features:

  • List devices
  • Open capture handle on a device or savefiles
  • Get packets from the capture handle
  • Filter packets using BPF programs
  • List/set/get datalink link types
  • Configure some parameters like promiscuity and buffer length
  • Write packets to savefiles
  • Inject packets into an interface

See examples for usage.

Building

Windows

Install WinPcap.

Place wpcap.dll in your C:\Rust\bin\rustlib\x86_64-pc-windows-gnu\lib\ directory on 64 bit or C:\Rust\bin\rustlib\i686-pc-windows-gnu\lib\ on 32 bit.

Linux

On Debian based Linux, install libpcap-dev. If not running as root, you need to set capabilities like so: sudo setcap cap_net_raw,cap_net_admin=eip path/to/bin

Mac OS X

libpcap should be installed on Mac OS X by default.

Note: A timeout of zero may cause pcap::Capture::next to hang and never return (because it waits for the timeout to expire before returning). This can be fixed by using a non-zero timeout (as the libpcap manual recommends) and calling pcap::Capture::next in a loop.

Optional Features

To get access to the Capture::savefile_append function (which allows appending to an existing pcap file) you have to depend on the pcap-savefile-append feature flag. It requires at least libpcap version 1.7.2.

[dependencies]
pcap = { version = "*", features = "pcap-savefile-append" }

License

Licensed under either of

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

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Rust language pcap library

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