sniffglue-0.16.0/.cargo_vcs_info.json0000644000000001360000000000100131020ustar { "git": { "sha1": "0d7ee0c31a20343ede92d6a9cfa7362f8ec54acd" }, "path_in_vcs": "" }sniffglue-0.16.0/.dockerignore000064400000000000000000000001051046102023000143420ustar 00000000000000target fuzz Dockerfile .dockerignore .git .gitignore *.sw[op] *.pcap sniffglue-0.16.0/.github/FUNDING.yml000064400000000000000000000000411046102023000150420ustar 00000000000000github: [kpcyrd] patreon: kpcyrd sniffglue-0.16.0/.github/workflows/docker-release.yml000064400000000000000000000010051046102023000206730ustar 00000000000000name: Publish Docker image on: push: branches: [ release ] jobs: push_to_registry: name: Push Docker image to GitHub Packages runs-on: ubuntu-latest steps: - name: Check out the repo uses: actions/checkout@v2 - name: Push to GitHub Packages uses: docker/build-push-action@v1 with: username: ${{ github.actor }} password: ${{ secrets.GITHUB_TOKEN }} registry: docker.pkg.github.com repository: kpcyrd/sniffglue/sniffglue sniffglue-0.16.0/.github/workflows/docker.yml000064400000000000000000000005101046102023000172550ustar 00000000000000name: Docker on: push: branches: [ main ] pull_request: branches: [ main ] jobs: build: runs-on: ubuntu-latest steps: - uses: actions/checkout@v2 - name: Build the Docker image run: docker build -t sniffglue . - name: Test the Docker image run: docker run --rm sniffglue --help sniffglue-0.16.0/.github/workflows/docs.yml000064400000000000000000000004321046102023000167410ustar 00000000000000name: Docs on: push: branches: [ main ] pull_request: branches: [ main ] jobs: build: runs-on: ubuntu-latest steps: - uses: actions/checkout@v2 - name: Install dependencies run: sudo apt-get install scdoc - name: Build run: make docs sniffglue-0.16.0/.github/workflows/rust.yml000064400000000000000000000010321046102023000170030ustar 00000000000000name: Rust on: push: branches: [ main ] pull_request: branches: [ main ] jobs: build: runs-on: ${{ matrix.os }} strategy: fail-fast: false matrix: os: [macos-latest, ubuntu-latest] steps: - uses: actions/checkout@v2 - name: Install dependencies if: matrix.os == 'ubuntu-latest' run: sudo apt-get install libpcap-dev libseccomp-dev - name: Build run: RUSTC_BOOTSTRAP=1 cargo build --verbose --all-targets - name: Run tests run: cargo test --verbose sniffglue-0.16.0/.gitignore000064400000000000000000000000571046102023000136640ustar 00000000000000/target/ **/*.rs.bk *.sw[op] /docs/sniffglue.1 sniffglue-0.16.0/.travis.yml000064400000000000000000000013031046102023000140000ustar 00000000000000language: rust dist: bionic matrix: include: - os: linux rust: stable env: TARGET=x86_64-unknown-linux-gnu BUILD_MODE=release - os: linux rust: stable env: TARGET=x86_64-unknown-linux-gnu BUILD_MODE=boxxy - os: linux rust: stable env: TARGET=x86_64-unknown-linux-gnu BUILD_MODE=reprotest ## broken on 1.26.0 #- os: linux # rust: stable # env: TARGET=aarch64-unknown-linux-gnu BUILD_MODE=cross - os: linux rust: stable 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sniffglue-0.16.0/Cargo.toml0000644000000050510000000000100111010ustar # THIS FILE IS AUTOMATICALLY GENERATED BY CARGO # # When uploading crates to the registry Cargo will automatically # "normalize" Cargo.toml files for maximal compatibility # with all versions of Cargo and also rewrite `path` dependencies # to registry (e.g., crates.io) dependencies. # # If you are reading this file be aware that the original Cargo.toml # will likely look very different (and much more reasonable). # See Cargo.toml.orig for the original contents. [package] edition = "2021" name = "sniffglue" version = "0.16.0" authors = ["kpcyrd "] exclude = [ "pcaps/**/*", "**/*.pcap", ] description = "Secure multithreaded packet sniffer" readme = "README.md" categories = ["command-line-utilities"] license = "GPL-3.0" repository = "https://github.com/kpcyrd/sniffglue" [package.metadata.deb] depends = "$auto" extended-description = "sniffglue is a network sniffer written in rust. Network packets are parsed concurrently using a thread pool to utilize all cpu cores. Project goals are that you can run sniffglue securely on untrusted networks and that it must not crash when processing packets. The output should be as useful as possible by default." license-file = ["LICENSE"] priority = "optional" section = "net" [lib] doc = false [dependencies.ansi_term] version = "0.12" [dependencies.anyhow] version = "1" [dependencies.bstr] version = "1" features = ["serde"] [dependencies.clap] version = "4.4.11" features = ["derive"] [dependencies.clap_complete] version = "4.4.4" [dependencies.data-encoding] version = "2.5.0" [dependencies.dhcp4r] version = "0.2.0" [dependencies.dirs-next] version = "2.0" [dependencies.dns-parser] version = "0.8" [dependencies.env_logger] version = "0.10" [dependencies.httparse] version = "1.8.0" [dependencies.libc] version = "0.2" [dependencies.log] version = "0.4" [dependencies.nix] version = "0.27" features = [ "fs", "user", ] [dependencies.nom] version = "7" [dependencies.num_cpus] version = "1.6" [dependencies.pcap-sys] version = "0.1.3" [dependencies.pktparse] version = "0.7.1" features = ["serde"] [dependencies.reduce] version = "0.1.1" [dependencies.serde] version = "1.0" [dependencies.serde_derive] version = "1.0" [dependencies.serde_json] version = "1.0" [dependencies.sha2] version = "0.10" [dependencies.tls-parser] version = "0.11" [dependencies.toml] version = "0.8" [dependencies.uzers] version = "0.11.3" [dev-dependencies.boxxy] version = "0.13" [target."cfg(target_os=\"linux\")".dependencies.syscallz] version = "0.17" [badges.travis-ci] repository = "kpcyrd/sniffglue" sniffglue-0.16.0/Cargo.toml.orig000064400000000000000000000031101046102023000145540ustar 00000000000000[package] name = "sniffglue" version = "0.16.0" description = "Secure multithreaded packet sniffer" authors = ["kpcyrd "] license = "GPL-3.0" repository = "https://github.com/kpcyrd/sniffglue" categories = ["command-line-utilities"] readme = "README.md" exclude = ["pcaps/**/*", "**/*.pcap"] edition = "2021" [package.metadata.deb] license-file = [ "LICENSE" ] extended-description = """\ sniffglue is a network sniffer written in rust. Network packets are parsed \ concurrently using a thread pool to utilize all cpu cores. Project goals are \ that you can run sniffglue securely on untrusted networks and that it must \ not crash when processing packets. The output should be as useful as possible \ by default.\ """ depends = "$auto" section = "net" priority = "optional" [lib] doc = false [badges] travis-ci = { repository = "kpcyrd/sniffglue" } [dependencies] anyhow = "1" num_cpus = "1.6" pcap-sys = "0.1.3" pktparse = { version = "0.7.1", features = ["serde"] } nom = "7" dns-parser = "0.8" tls-parser = "0.11" dhcp4r = "0.2.0" ansi_term = "0.12" reduce = "0.1.1" env_logger = "0.10" log = "0.4" toml = "0.8" serde = "1.0" serde_json = "1.0" serde_derive = "1.0" nix = { version = "0.27", features = ["fs", "user"] } sha2 = "0.10" dirs-next = "2.0" libc = "0.2" uzers = "0.11.3" bstr = { version = "1", features = ["serde"] } data-encoding = "2.5.0" clap = { version = "4.4.11", features = ["derive"] } clap_complete = "4.4.4" httparse = "1.8.0" [target.'cfg(target_os="linux")'.dependencies] syscallz = "0.17" #syscallz = { path="../syscallz-rs" } [dev-dependencies] boxxy = "0.13" sniffglue-0.16.0/Dockerfile000064400000000000000000000007101046102023000136620ustar 00000000000000FROM rust:alpine3.19 RUN apk add build-base libpcap-dev libseccomp-dev WORKDIR /usr/src/sniffglue COPY . . RUN RUSTFLAGS="-C target-feature=-crt-static" cargo build --release --verbose \ && strip target/release/sniffglue FROM alpine:3.19 RUN apk add libgcc libpcap libseccomp COPY docs/sniffglue.docker.conf /etc/sniffglue.conf COPY --from=0 /usr/src/sniffglue/target/release/sniffglue /usr/local/bin/sniffglue ENTRYPOINT ["/usr/local/bin/sniffglue"] sniffglue-0.16.0/LICENSE000064400000000000000000001045061046102023000127050ustar 00000000000000 GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright (C) 2007 Free Software Foundation, Inc. Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The GNU General Public License is a free, copyleft license for software and other kinds of works. The licenses for most software and other practical works are designed to take away your freedom to share and change the works. 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If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. But first, please read . sniffglue-0.16.0/Makefile000064400000000000000000000001171046102023000133310ustar 00000000000000docs: docs/sniffglue.1 docs/%.1: docs/%.1.scd scdoc > $@ < $^ .PHONEY: docs sniffglue-0.16.0/README.md000064400000000000000000000110331046102023000131470ustar 00000000000000# sniffglue [![Build Status][travis-img]][travis] [![Crates.io][crates-img]][crates] [travis-img]: https://travis-ci.org/kpcyrd/sniffglue.svg?branch=master [travis]: https://travis-ci.org/kpcyrd/sniffglue [crates-img]: https://img.shields.io/crates/v/sniffglue.svg [crates]: https://crates.io/crates/sniffglue sniffglue is a network sniffer written in rust. Network packets are parsed concurrently using a thread pool to utilize all cpu cores. Project goals are that you can run sniffglue securely on untrusted networks and that it must not crash when processing packets. The output should be as useful as possible by default. ![screenshot](docs/screenshot.png) ## Usage # sniff with default filters (dhcp, dns, tls, http) sniffglue enp0s25 # increase the filter sensitivity (arp) sniffglue -v enp0s25 # increase the filter sensitivity (cjdns, ssdp, dropbox, packets with valid utf8) sniffglue -vv enp0s25 # almost everything sniffglue -vvv enp0s25 # everything sniffglue -vvvv enp0s25 ## Installation Packaging status ### Arch Linux pacman -S sniffglue ### Mac OSX brew install sniffglue ### Debian/Ubuntu/Kali First included in debian bullseye, ubuntu 21.04. apt install sniffglue ### Alpine apk add sniffglue ### Gentoo layman -a pentoo emerge --ask net-analyzer/sniffglue ### NixOS nix-env -i sniffglue ### GNU Guix guix install sniffglue ### Fedora/RHEL/CentOS/CentOS Stream dnf copr enable atim/sniffglue -y dnf install sniffglue ### From source To build from source make sure you have libpcap and libseccomp installed. On debian based systems: # install the dependencies sudo apt install libpcap-dev libseccomp-dev # install rust with rustup curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh source $HOME/.cargo/env # install sniffglue and test it cargo install sniffglue sniffglue --help Or you can build a Debian package via [cargo-deb](https://github.com/mmstick/cargo-deb): cargo deb ## Protocols - [X] ethernet - [X] ipv4 - [X] ipv6 - [X] arp - [X] tcp - [X] udp - [X] icmp - [X] http - [X] tls - [X] dns - [X] dhcp - [X] cjdns eth beacons - [X] ssdp - [X] dropbox beacons - [X] ppp - [ ] 802.11 ## Docker You can build sniffglue as a docker image to debug container setups. The image is currently about 11.1MB. It is recommended to push it to your own registry. docker build -t sniffglue . docker run -it --init --rm --net=host sniffglue eth0 ### Building documentation scdoc < docs/sniffglue.1.scd > docs/sniffglue.1 ## Security To report a security issue please contact kpcyrd on ircs://irc.hackint.org. ### Seccomp To ensure a compromised process doesn't compromise the system, sniffglue uses seccomp to restrict the syscalls that can be used after the process started. This is done in two stages, first at the very beginning (directly after env\_logger initialized) and once after the sniffer has been setup, but before packets are read from the network. ### Hardening During the second stage, there's also some general hardening that is applied before all unneeded syscalls are finally disabled. Those are system specific, so a configuration file is read from `/etc/sniffglue.conf`. This config file specifies an empty directory for `chroot` and an unprivileged account in `user` that is used to drop root privileges. ### boxxy-rs This project includes a small [boxxy-rs] based shell that can be used to explore the sandbox at various stages during and after initialization. This is also used by travis to ensure the sandbox actually blocks syscalls. cargo run --example boxxy [boxxy-rs]: https://github.com/kpcyrd/boxxy-rs ### Reproducible builds This project is tested using reprotest. Currently the following variations are excluded: - `-time` - needed because the crates.io cert expires in the future - `-domain_host` - requires root for unshare(2) and has been excluded Don't forget to install the build dependencies. ci/reprotest.sh ### Fuzzing The packet processing of sniffglue can be fuzzed using [cargo-fuzz]. Everything you should need is provided in the `fuzz/` directory that is distributed along with its source code. Please note that this program links to libpcap which is not included in the current fuzzing configuration. cargo fuzz run read_packet [cargo-fuzz]: https://github.com/rust-fuzz/cargo-fuzz ## License GPLv3+ sniffglue-0.16.0/benches/bench.rs000064400000000000000000000121351046102023000147300ustar 00000000000000#![feature(test)] extern crate test; pub use sniffglue::*; #[cfg(test)] mod tests { use super::*; use test::Bencher; const HTML: [u8; 390] = [ 32, 32, 32, 32, 32, 32, 32, 112, 97, 100, 100, 105, 110, 103, 58, 32, 49, 101, 109, 59, 10, 32, 32, 32, 32, 32, 32, 32, 32, 125, 10, 32, 32, 32, 32, 125, 10, 32, 32, 32, 32, 60, 47, 115, 116, 121, 108, 101, 62, 32, 32, 32, 32, 10, 60, 47, 104, 101, 97, 100, 62, 10, 10, 60, 98, 111, 100, 121, 62, 10, 60, 100, 105, 118, 62, 10, 32, 32, 32, 32, 60, 104, 49, 62, 69, 120, 97, 109, 112, 108, 101, 32, 68, 111, 109, 97, 105, 110, 60, 47, 104, 49, 62, 10, 32, 32, 32, 32, 60, 112, 62, 84, 104, 105, 115, 32, 100, 111, 109, 97, 105, 110, 32, 105, 115, 32, 101, 115, 116, 97, 98, 108, 105, 115, 104, 101, 100, 32, 116, 111, 32, 98, 101, 32, 117, 115, 101, 100, 32, 102, 111, 114, 32, 105, 108, 108, 117, 115, 116, 114, 97, 116, 105, 118, 101, 32, 101, 120, 97, 109, 112, 108, 101, 115, 32, 105, 110, 32, 100, 111, 99, 117, 109, 101, 110, 116, 115, 46, 32, 89, 111, 117, 32, 109, 97, 121, 32, 117, 115, 101, 32, 116, 104, 105, 115, 10, 32, 32, 32, 32, 100, 111, 109, 97, 105, 110, 32, 105, 110, 32, 101, 120, 97, 109, 112, 108, 101, 115, 32, 119, 105, 116, 104, 111, 117, 116, 32, 112, 114, 105, 111, 114, 32, 99, 111, 111, 114, 100, 105, 110, 97, 116, 105, 111, 110, 32, 111, 114, 32, 97, 115, 107, 105, 110, 103, 32, 102, 111, 114, 32, 112, 101, 114, 109, 105, 115, 115, 105, 111, 110, 46, 60, 47, 112, 62, 10, 32, 32, 32, 32, 60, 112, 62, 60, 97, 32, 104, 114, 101, 102, 61, 34, 104, 116, 116, 112, 58, 47, 47, 119, 119, 119, 46, 105, 97, 110, 97, 46, 111, 114, 103, 47, 100, 111, 109, 97, 105, 110, 115, 47, 101, 120, 97, 109, 112, 108, 101, 34, 62, 77, 111, 114, 101, 32, 105, 110, 102, 111, 114, 109, 97, 116, 105, 111, 110, 46, 46, 46, 60, 47, 97, 62, 60, 47, 112, 62, 10, 60, 47, 100, 105, 118, 62, 10, 60, 47, 98, 111, 100, 121, 62, 10, 60, 47, 104, 116, 109, 108, 62, 10 ]; #[bench] fn tcp(b: &mut Bencher) { use structs::raw::Raw::Ether; use structs::ether::Ether::IPv4; use structs::ipv4::IPv4::TCP; use structs::tcp::TCP::Text; use pktparse::ethernet::{MacAddress, EtherType, EthernetFrame}; use pktparse::ipv4::IPv4Header; use pktparse::ip::IPProtocol; use pktparse::tcp::TcpHeader; let mut pkt = Vec::new(); pkt.extend([ 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 8, 0, 69, 0, 1, 186, 78, 105, 64, 0, 55, 6, 251, 115, 93, 184, 216, 34, 192, 168, 44, 55, 0, 80, 142, 158, 133, 72, 141, 7, 64, 115, 177, 1, 128, 24, 1, 27, 200, 121, 0, 0, 1, 1, 8, 10, 59, 135, 198, 7, 93, 127, 194, 19, ].iter()); pkt.extend(HTML.iter()); let expected = Ok(Ether( EthernetFrame { source_mac: MacAddress([0x11, 0x22, 0x33, 0x44, 0x55, 0x66]), dest_mac: MacAddress([0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc]), ethertype: EtherType::IPv4, }, IPv4(IPv4Header { version: 4, ihl: 5, tos: 0, length: 442, id: 20073, flags: 2, fragment_offset: 0, ttl: 55, protocol: IPProtocol::TCP, chksum: 64371, source_addr: "93.184.216.34".parse().unwrap(), dest_addr: "192.168.44.55".parse().unwrap(), }, TCP(TcpHeader { source_port: 80, dest_port: 36510, sequence_no: 2236124423, ack_no: 1081323777, data_offset: 8, reserved: 0, flag_urg: false, flag_ack: true, flag_psh: true, flag_rst: false, flag_syn: false, flag_fin: false, window: 283, checksum: 51321, urgent_pointer: 0, options: None }, Text(String::from_utf8(HTML.to_vec()).unwrap()) )))); b.iter(|| { let x = centrifuge::parse_eth(&pkt); assert_eq!(expected, x); }); } #[bench] fn bench_empty(b: &mut Bencher) { b.iter(|| { centrifuge::parse_eth(&[]).ok(); }); } #[bench] fn bench(b: &mut Bencher) { let mut pkt = Vec::new(); pkt.extend([ 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 8, 0, 69, 0, 1, 186, 78, 105, 64, 0, 55, 6, 251, 115, 93, 184, 216, 34, 192, 168, 44, 55, 0, 80, 142, 158, 133, 72, 141, 7, 64, 115, 177, 1, 128, 24, 1, 27, 200, 121, 0, 0, 1, 1, 8, 10, 59, 135, 198, 7, 93, 127, 194, 19, ].iter()); pkt.extend(HTML.iter()); b.iter(|| { centrifuge::parse_eth(&pkt).ok(); }); } } sniffglue-0.16.0/ci/Dockerfile000064400000000000000000000002211046102023000142520ustar 00000000000000FROM rust:latest ARG TARGET WORKDIR /app COPY . . RUN rustup install "stable-$TARGET" \ && rustup target add "$TARGET" RUN ci/setup.sh linux sniffglue-0.16.0/ci/boxxy_stage0.txt000064400000000000000000000000161046102023000154370ustar 00000000000000cat README.md sniffglue-0.16.0/ci/boxxy_stage1.txt000064400000000000000000000000251046102023000154400ustar 00000000000000stage1 cat README.md sniffglue-0.16.0/ci/boxxy_stage2.txt000064400000000000000000000000341046102023000154410ustar 00000000000000stage1 stage2 cat README.md sniffglue-0.16.0/ci/build.sh000075500000000000000000000014361046102023000137270ustar 00000000000000#!/bin/sh set -ex case "$TARGET" in aarch64-unknown-linux-gnu) export RUSTFLAGS="-C linker=aarch64-linux-gnu-gcc-6" ;; esac case "$BUILD_MODE" in release) cargo build --verbose --release --target="$TARGET" ls -lah "target/$TARGET/release/sniffglue" file "target/$TARGET/release/sniffglue" ;; boxxy) cargo build --verbose --examples ;; reprotest) docker build -t reprotest-sniffglue -f docs/Dockerfile.reprotest . ;; cross) docker build --build-arg TARGET="$TARGET" -t "sniffglue-test-$TARGET" -f ci/Dockerfile . # restart this script but inside the container and without BUILD_MODE=cross docker run -e TARGET="$TARGET" "sniffglue-test-$TARGET" ci/build.sh ;; esac sniffglue-0.16.0/ci/reprotest.sh000075500000000000000000000011221046102023000146470ustar 00000000000000#!/bin/sh set -xue # tested with rustc 1.22.1 and cargo 0.23.0 # by default, the build folder is located in /tmp, which is a tmpfs. The target/ folder # can become quite large, causing the build to fail if we don't have enough RAM. export TMPDIR="$HOME/tmp/repro-test" mkdir -p "$TMPDIR" reprotest -vv --vary=-time,-domain_host --source-pattern 'Cargo.* src/' ' CARGO_HOME="$PWD/.cargo" RUSTUP_HOME='"$HOME/.rustup"' \ RUSTFLAGS="--remap-path-prefix=$HOME=/remap-home --remap-path-prefix=$PWD=/remap-pwd" \ cargo build --release --verbose' \ target/release/sniffglue sniffglue-0.16.0/ci/setup.sh000075500000000000000000000025741046102023000137740ustar 00000000000000#!/bin/sh set -ex case "$1" in linux) if [ -z "$TRAVIS" ]; then case "$TARGET" in aarch64-unknown-linux-gnu) dpkg --add-architecture arm64 ;; i686-unknown-linux-gnu) dpkg --add-architecture i386 ;; esac fi apt-get -q update if [ -n "$TRAVIS" ]; then # update docker apt-get -y -o Dpkg::Options::="--force-confnew" install docker-ce fi case "$TARGET" in x86_64-unknown-linux-gnu) apt-get install -qy \ libpcap-dev \ libseccomp-dev ;; aarch64-unknown-linux-gnu) if [ -z "$TRAVIS" ]; then apt-get install -qy gcc-6-aarch64-linux-gnu \ libpcap0.8-dev:arm64 \ libseccomp-dev:arm64 fi ;; i686-unknown-linux-gnu) if [ -z "$TRAVIS" ]; then apt-get install -qy gcc-multilib \ libpcap0.8-dev:i386 \ libseccomp-dev:i386 fi ;; *) echo "UNKNOWN TARGET: $TARGET" exit 1 ;; esac ;; esac sniffglue-0.16.0/ci/test.sh000075500000000000000000000017061046102023000136070ustar 00000000000000#!/bin/sh set -ex case "$BUILD_MODE" in release) RUST_LOG=sniffglue target/$TARGET/release/sniffglue -r pcaps/SkypeIRC.pcap > /dev/null ;; boxxy) if ! cat ci/boxxy_stage0.txt | RUST_LOG=boxxy cargo run --example boxxy | grep -q 'cargo run --example boxxy'; then echo SANDOX ERROR: expected match exit 1 fi if ! cat ci/boxxy_stage1.txt | RUST_LOG=boxxy cargo run --example boxxy | grep -q 'cargo run --example boxxy'; then echo SANDOX ERROR: expected match exit 1 fi if cat ci/boxxy_stage2.txt | RUST_LOG=boxxy cargo run --example boxxy | grep -q 'cargo run --example boxxy'; then echo SANDOX ERROR: expected NO match exit 1 fi ;; reprotest) docker run --privileged reprotest-sniffglue ci/reprotest.sh || true ;; cross) # do not execute tests when cross compiling ;; esac sniffglue-0.16.0/docs/Dockerfile.reprotest000064400000000000000000000011211046102023000166350ustar 00000000000000FROM debian:testing RUN apt-get update -qq \ && DEBIAN_FRONTEND=noninteractive apt-get upgrade -yq \ && DEBIAN_FRONTEND=noninteractive apt-get install -yq --no-install-recommends diffoscope \ && DEBIAN_FRONTEND=noninteractive apt-get install -yq reprotest \ && DEBIAN_FRONTEND=noninteractive apt-get install -yq build-essential git curl libpcap-dev libseccomp-dev ENV PYTHONIOENCODING=utf-8 RUN curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain nightly \ && cp ~/.cargo/bin/rustup ~/.cargo/bin/cargo ~/.cargo/bin/rustc /usr/bin/ WORKDIR /sniffglue/ COPY . . sniffglue-0.16.0/docs/release.md000064400000000000000000000002201046102023000145560ustar 00000000000000The version needs to be bumped at the following locations: - Cargo.toml - Cargo.lock - fuzz/Cargo.lock (run `cargo update`) - docs/sniffglue.1 sniffglue-0.16.0/docs/screenshot.png000064400000000000000000002657761046102023000155340ustar 00000000000000‰PNG  IHDRÿ9ï…UbKGDÿÿÿ ½§“ pHYs  šœ IDATxÚì{œNÕþøß3#Fî·DQ¹—Ò ÝÜ%Œ[*”)MFõS®¹ž¢¨ã.¥Ëɉœ ÅHgèîRJÄWÈý6‡ˆIÌóûããé™yìµ÷^ûÙÏŒ™Yï×k¿^eÍg¯½ÖçóYŸ½öºÄ ƒÁ`0 ƒÁ`0 C®#ÖTÁ`0 ƒÁ`0 ƒÁ;1ƒƒV͆ü—xûÛ¶wÀÀý/SŸN°fLêy®,+²×̓߃Áqò“‘øçÜâ'ÛÞ½Ú]‰&ÅŠÀS²¦-­ô9ZqHn&R»Hžá=nÔñ=÷´0m•Uv䆸8˜3Šr—n0 Ñ$_ðGk`ØÃP®4¬ÙÏÏ‚3ªÓU<Ÿnß}Gæíòû²’ðLO¨W.ÉÃ_…Ußê¸ñ¼—,ßüãç©4ýò´o ÝÛBÁðßuðâðçYk11pws¸·%Ї”õ’¿Ve˜:(sÞu›!i‚~yÞŸ eJ„òu¿ì‰¾øÕîNùûw•€¤Iµœëª«ëSWTí«#Ç®<+Óÿ o.ñ_pkxw¢»ü:vwöœµ}ùégÚÜ=ÛAñ"ðóN;GžIW¾_ùUö®ëß yOßTý‘ªüvù­îk—_÷¹ŒŸÌyÄÆB·» Ï¨PZÕŠÔÆÌ†qIÐc¸½ÞêÆ*èW¿¯ïÙ=—•þÛÕÞâ„ã' ¡¿ñÝV¨ôM—§Aá‚ÒÖ»öÃËoÁCí¡nõ óÎÿh#¿Oü_ÿç…ú_»È‚¾'©«?òÆõ‡Sà‹ï¢“?/éí¹sðñçpß0sa(¿*Ý`0¢ç<Ó >ø :>)AXûÆöé*†½"ÐÞC™ÓŸé Ž@ûòÿ^þbcáÖë`à$èüÿ ¾ti¥_žreàÑ{`ÐËÐy ”( ÷´T˸¬$T¼݆@å+åÅhѼ>J•_y«€„¤¬¬øó³Ýíò׬$uì„]}êè]ûêÈñÒ¾}»SÙ—_~&¾€|±9îJ„ÿÛ ½;z·S?ò[Ù»ÿfÈ{ú¦[~»üV÷Uå÷ò\†œGýÚ°c¯ €xõ{ºñƒ*þñ£ß×÷TÏ¥òÏ&N¸¸¹ïhñ,IÑÁã¤ú•ö ¶Û—Cÿî6Ê” êÚ…ÁÎÊo õmòqÍMºÁ`0Duð¯\i¸¢ ,L†c'`áJ¸½ž:=È]·BÊ\ç›”*µªÀ”wàøÉ ÿßJεUe:tòL˜ù¬¼€¤§Ãè™ÒAýäï§õËS¡,ìÚ[wÁÉSüÔ¿V-çàQùR¼ÿ0¤—`¯XáÌ2/‡[êŠ#×-_tk CzËWr7‰_ín—?_ôí,3-Ü´»U}êêª}½è¡]û>ÐF–qL&u`'§eCXü,š•+„Òß/Ë4–O‡<™yöƒd\fÒìfx¶¯}yRæÊÌžäðÏ!2àªvqc_nPµïÙ³ú›ø@Òp(5ëìÒ­pòoy]?–×ôÍ©ü^ú/7ò³ÛŽ¢‰Ê&Ï}üd¼>:䯯!¾;å5ñßµ*{»oáKevRŸN°bºÈª~uücw_?ýv½êðãvïï?Dj_ºöîï¹Å¶Š¬Ú[Ú/|Ù¯JßT¨â•>«ÒUz¨{_••~F;þ òçY™•V¼ˆ;_Ÿú¬^•®ôf7_ o“矔ùž[\ؾºõ©òºXù“†uå÷mõ`âùxŸºœvùuãÒBaðCðÑT‘3ñ ûúTÙ‹®©êÓ®_°*¿­N—ÙÏW•s—n0 Qü+SŽ“åP _ZK—P§{ ÷‚}ŹN.· ˆ  ^ðÂëЪŸLǦgèÿß{–¾ ±1°`¹~yv„Šå¡J¹W£Ýãá–ë ùëÌé-À7?Fö²þö8y®ÁAüúÿÎ2Xþ¥tXóFCß»áêòêü~µ»]þîmaéjøMókiÆúÔÕUûêÊqÓ¾ I°q$vQÿm‰¢ðä0t*ô~êT ý_×Aò¥¹u¢,£Ëø¥9ZØ•dÀ%!I–:õ»×¿ûº±;•}EâgΞƒçgÂKáÓYàÎ]œýÎWeï‘ú·œŽ®ËËú¦[þHò_¬vmíÀ¶_!¡‘¤õî¯z‰ÿÞÁ`Yá‚2˜Ôîüì¶=ÔñÝ}ýòÛåËÀ‘ÿeNÛö+$އýGœ—6zÃý¡_ý~$ñžvþÙm8f6´~\”[è› «øA¥ÏNz®‡[vèÝ×IŽ•~ªäèè›.É'{¶;án ¹Xa™é÷Ó/úv_@ƒ¦-€OȲáŒ3¤­ÚW§>íüƒ.Vþä‹ïä÷êõðôKòû•©Ëi—_—Gï"—B÷¡"çéÉÞêSÇŽTï›Nöb…“ÞL…ËK»O7 †¨ þ€¿W‘¯'[¨Ò–®Û{9ߤ@~¨RV|me&Aÿ®j9Õ+ÉWY#ä`…qý3»û)qê {pè–gÿa˜µ^| ¼ _rÓÎ8ËÉ£úÁ{+. 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Network packets are parsed concurrently using a thread pool to utilize all cpu cores. Project goals are that you can run *sniffglue* securely on untrusted networks and that it must not crash when processing packets. The output should be as useful as possible by default. # OPTIONS *-v*, *--verbose* Increase filter sensitivity to show more (possibly less useful) packets. The default only shows few packets, this flag can be specified multiple times. (maximum: 4) *-h*, *--help* Prints help information. *-p*, *--promisc* Set _device_ to promiscuous mode. *-r*, *--read* Open _device_ as pcap file. *-n*, *--threads* _threads_ Specify the number of threads. *-V*, *--version* Prints version information. If *-r* was specified, open as pcap file instead. # EXAMPLES Sniff with default filters (dhcp, dns, tls, http) from _enp0s25_: *sniffglue enp0s25* Increase the filter sensitivity (arp): *sniffglue -v enp0s25* Increase the filter sensitivity (cjdns, ssdp, dropbox, packets with valid utf8) *sniffglue -vv enp0s25* Almost everything *sniffglue -vvv enp0s25* Everything *sniffglue -vvvv enp0s25* Read a dump from _sniff.pcap_, with increased filter sensitivity and decode packets with 1 thread: *sniffglue -vvrn1 sniff.pcap* # PROTOCOLS *ethernet*, *ipv4*, *ipv6*, *arp*, *tcp*, *udp*, *http*, *tls*, *dns*, *dhcp*, *cjdns eth beacons*, *ssdp*, *dropbox beacons* # SECURITY To report a security issue please contact kpcyrd on ircs://irc.hackint.org. ## SECCOMP To ensure a compromised process doesn't compromise the system, sniffglue uses seccomp to restrict the syscalls that can be used after the process started. This is done in two stages, first at the very beginning (directly after env_logger initialized) and once after the sniffer has been setup, but before packets are read from the network. ## HARDENING During the second stage, there's also some general hardening that is applied before all unneeded syscalls are finally disabled. Those are system specific, so a configuration file is read from */etc/sniffglue.conf*. This config file specifies an empty directory for *chroot* and an unprivileged account in *user* that is used to drop root privileges. ## FUZZING The packet processing of *sniffglue* can be fuzzed using _cargo-fuzz_. Everything you should need is provided in the _fuzz/_ directory that is distributed along with its source code. Please note that this program links to _libpcap_ which is not included in the current fuzzing configuration. # SEE ALSO *pcap(3PCAP)*, *seccomp(2)* # AUTHORS This program was originally written and is currently maintained by kpcyrd. Bug reports and patches are welcome on github: _https://github.com/kpcyrd/sniffglue_ sniffglue-0.16.0/docs/sniffglue.docker.conf000064400000000000000000000000601046102023000167150ustar 00000000000000[sandbox] user = "nobody" chroot = "/var/empty" sniffglue-0.16.0/examples/boxxy.rs000064400000000000000000000015471046102023000152360ustar 00000000000000#[macro_use] extern crate boxxy; extern crate sniffglue; extern crate env_logger; fn stage1(sh: &mut boxxy::Shell, _args: Vec) -> Result<(), boxxy::Error> { shprintln!(sh, "[*] starting stage1"); sniffglue::sandbox::activate_stage1(false).unwrap(); shprintln!(sh, "[+] activated!"); Ok(()) } fn stage2(sh: &mut boxxy::Shell, _args: Vec) -> Result<(), boxxy::Error> { shprintln!(sh, "[*] starting stage2"); sniffglue::sandbox::activate_stage2(false).unwrap(); shprintln!(sh, "[+] activated!"); Ok(()) } fn main() { env_logger::init(); println!("stage1 activate sandbox stage1/2"); println!("stage2 activate sandbox stage2/2"); let toolbox = boxxy::Toolbox::new().with(vec![ ("stage1", stage1), ("stage2", stage2), ]); boxxy::Shell::new(toolbox).run() } sniffglue-0.16.0/examples/read_packet.rs000064400000000000000000000006441046102023000163240ustar 00000000000000use data_encoding::BASE64; use sniffglue::errors::*; use std::env; fn main() -> Result<()> { env_logger::init(); for arg in env::args().skip(1) { let bytes = BASE64 .decode(arg.as_bytes()) .context("Failed to base64 decode")?; println!("{:?}", bytes); let packet = sniffglue::centrifuge::parse_eth(&bytes); println!("{:?}", packet); } Ok(()) } sniffglue-0.16.0/sniffglue.conf000064400000000000000000000000611046102023000145200ustar 00000000000000[sandbox] user = "nobody" chroot = "/var/empty/" sniffglue-0.16.0/src/centrifuge/arp.rs000064400000000000000000000010671046102023000157500ustar 00000000000000use crate::structs::CentrifugeError; use crate::structs::arp::ARP; pub fn extract(remaining: &[u8]) -> Result { if let Ok((_remaining, arp_pkt)) = pktparse::arp::parse_arp_pkt(remaining) { use pktparse::arp::Operation; match arp_pkt.operation { Operation::Request => Ok(ARP::Request(arp_pkt)), Operation::Reply => Ok(ARP::Reply(arp_pkt)), Operation::Other(_) => Err(CentrifugeError::UnknownProtocol), // TODO } } else { Err(CentrifugeError::InvalidPacket) } } sniffglue-0.16.0/src/centrifuge/cjdns.rs000064400000000000000000000022151046102023000162630ustar 00000000000000use crate::structs::{cjdns, CentrifugeError}; use nom::number::complete::be_u16; use nom::bytes::complete::{tag, take}; const BEACON_PASSWORD_LEN: usize = 20; const BEACON_PUBKEY_LEN: usize = 32; fn cjdns_eth_header(input: &[u8]) -> nom::IResult<&[u8], cjdns::CjdnsEthPkt> { let (input, ( _version, _zero, _length, _fc00, _padding, version, password, pubkey, )) = nom::sequence::tuple(( tag(b"\x00"), tag(b"\x00"), be_u16, tag(b"\xfc\x00"), take(2_usize), be_u16, take(BEACON_PASSWORD_LEN), take(BEACON_PUBKEY_LEN), ))(input)?; Ok((input, cjdns::CjdnsEthPkt { version, password: password.to_vec(), pubkey: pubkey.to_vec(), })) } pub fn parse(remaining: &[u8]) -> Result { if let Ok((remaining, cjdns_eth_hdr)) = cjdns_eth_header(remaining) { if remaining.is_empty() { Ok(cjdns_eth_hdr) } else { Err(CentrifugeError::InvalidPacket) } } else { Err(CentrifugeError::InvalidPacket) } } sniffglue-0.16.0/src/centrifuge/dhcp.rs000064400000000000000000000035321046102023000161030ustar 00000000000000use crate::structs::dhcp::*; use crate::structs::{self, CentrifugeError}; fn wrap_packet(dhcp: &dhcp4r::packet::Packet, packet: structs::dhcp::Packet) -> structs::dhcp::DHCP { use crate::structs::dhcp::DHCP::*; match dhcp.option(dhcp4r::options::DHCP_MESSAGE_TYPE) { Some(dhcp4r::options::DhcpOption::DhcpMessageType(msg_type)) => { match msg_type { dhcp4r::options::MessageType::Ack => ACK(packet), dhcp4r::options::MessageType::Decline => DECLINE(packet), dhcp4r::options::MessageType::Discover => DISCOVER(packet), dhcp4r::options::MessageType::Inform => INFORM(packet), dhcp4r::options::MessageType::Nak => NAK(packet), dhcp4r::options::MessageType::Offer => OFFER(packet), dhcp4r::options::MessageType::Release => RELEASE(packet), dhcp4r::options::MessageType::Request => REQUEST(packet), } } _ => UNKNOWN(packet), } } pub fn extract(remaining: &[u8]) -> Result { let dhcp = match dhcp4r::packet::Packet::from(remaining) { Ok(dhcp) => dhcp, Err(_err) => return Err(CentrifugeError::InvalidPacket), }; let mut packet = Packet::new(dhcp.ciaddr, dhcp.yiaddr, dhcp.siaddr, dhcp.chaddr); for option in &dhcp.options { use dhcp4r::options::*; match option { DhcpOption::RequestedIpAddress(addr) => packet.requested_ip_address = Some(*addr), DhcpOption::HostName(hostname) => packet.hostname = Some(hostname.to_string()), DhcpOption::Router(router) => packet.router = Some(router.clone()), DhcpOption::DomainNameServer(server) => packet.domain_name_server = Some(server.clone()), _ => (), } } Ok(wrap_packet(&dhcp, packet)) } sniffglue-0.16.0/src/centrifuge/dns.rs000064400000000000000000000016311046102023000157470ustar 00000000000000use crate::structs::{self, CentrifugeError}; pub fn extract(remaining: &[u8]) -> Result { if let Ok(dns) = dns_parser::Packet::parse(remaining) { if dns.header.query { // dns request let questions = dns.questions .into_iter() .map(|q| (q.qtype.into(), q.qname.to_string())) .collect(); Ok(structs::dns::Request::new(questions).wrap()) } else { // dns response let answers = dns.answers .into_iter() .map(|a| (a.name.to_string(), structs::dns::Record::from(a.data))) .collect(); Ok(structs::dns::Response::new(answers).wrap()) } } else { Err(structs::CentrifugeError::WrongProtocol) } } sniffglue-0.16.0/src/centrifuge/dropbox.rs000064400000000000000000000005711046102023000166420ustar 00000000000000use std::str; use crate::structs::{dropbox, CentrifugeError}; pub fn extract(data: &[u8]) -> Result { let data = str::from_utf8(data) .map_err(|_| CentrifugeError::InvalidPacket)?; let beacon = serde_json::from_str(data) .map_err(|_| CentrifugeError::InvalidPacket)?; Ok(beacon) } sniffglue-0.16.0/src/centrifuge/http.rs000064400000000000000000000023721046102023000161450ustar 00000000000000use bstr::BString; use crate::structs::CentrifugeError; use crate::structs::http::{Http, Request, Response}; use httparse::Status; use std::convert::TryFrom; pub fn extract(remaining: &[u8]) -> Result { let mut req_headers = [httparse::EMPTY_HEADER; 256]; let mut resp_headers = [httparse::EMPTY_HEADER; 256]; let mut req = httparse::Request::new(&mut req_headers); let mut resp = httparse::Response::new(&mut resp_headers); if let Ok(status) = req.parse(remaining) { let remaining = match status { Status::Complete(n) => &remaining[n..], Status::Partial => &[], }; let mut req = Request::try_from(req)?; if !remaining.is_empty() { req.body = Some(BString::from(remaining)) } Ok(Http::Request(req)) } else if let Ok(status) = resp.parse(remaining) { let remaining = match status { Status::Complete(n) => &remaining[n..], Status::Partial => &[], }; let mut resp = Response::try_from(resp)?; if !remaining.is_empty() { resp.body = Some(BString::from(remaining)) } Ok(Http::Response(resp)) } else { Err(CentrifugeError::WrongProtocol) } } sniffglue-0.16.0/src/centrifuge/icmp.rs000064400000000000000000000006151046102023000161140ustar 00000000000000use pktparse::icmp; use crate::structs::CentrifugeError; use crate::structs::icmp::ICMP; pub fn parse(remaining: &[u8]) -> Result<(icmp::IcmpHeader, ICMP), CentrifugeError> { if let Ok((remaining, icmp_hdr)) = icmp::parse_icmp_header(remaining) { Ok((icmp_hdr, ICMP { data: remaining.to_vec(), })) } else { Err(CentrifugeError::InvalidPacket) } } sniffglue-0.16.0/src/centrifuge/mod.rs000064400000000000000000000100721046102023000157410ustar 00000000000000use pktparse::{ethernet, ipv4, ipv6}; use pktparse::ip::IPProtocol; use pktparse::ethernet::EtherType; use crate::structs::CentrifugeError; use crate::structs::raw::Raw; use crate::structs::ether::Ether; use crate::link::DataLink; pub mod arp; pub mod tcp; pub mod udp; pub mod icmp; pub mod cjdns; pub mod sll; pub mod dhcp; pub mod dns; pub mod ssdp; pub mod dropbox; pub mod http; pub mod tls; #[inline] pub fn parse(link: &DataLink, data: &[u8]) -> Raw { match *link { DataLink::Ethernet => match parse_eth(data) { Ok(eth) => eth, Err(_) => Raw::Unknown(data.to_vec()), }, DataLink::Tun => parse_tun(data), DataLink::Sll => parse_sll(data), DataLink::RadioTap => { Raw::Unknown(data.to_vec()) }, } } #[inline] pub fn parse_eth(data: &[u8]) -> Result { if let Ok((remaining, eth_frame)) = ethernet::parse_ethernet_frame(data) { let inner = match eth_frame.ethertype { EtherType::IPv4 => match parse_ipv4(remaining) { Ok(ipv4) => ipv4, Err(_) => Ether::Unknown(remaining.to_vec()), }, EtherType::IPv6 => match parse_ipv6(remaining) { Ok(ipv6) => ipv6, Err(_) => Ether::Unknown(remaining.to_vec()), }, EtherType::ARP => match arp::extract(remaining) { Ok(arp_pkt) => Ether::Arp(arp_pkt), Err(_) => Ether::Unknown(remaining.to_vec()), }, EtherType::Other(0xfc00) => match cjdns::parse(remaining) { Ok(cjdns_pkt) => Ether::Cjdns(cjdns_pkt), Err(_) => Ether::Unknown(remaining.to_vec()), }, _ => { Ether::Unknown(remaining.to_vec()) }, }; Ok(Raw::Ether(eth_frame, inner)) } else { Err(CentrifugeError::InvalidPacket) } } #[inline] pub fn parse_tun(data: &[u8]) -> Raw { Raw::Tun( if let Ok(ipv4) = parse_ipv4(data) { ipv4 } else { Ether::Unknown(data.to_vec()) } ) } pub fn parse_sll(data: &[u8]) -> Raw { Raw::Sll( if let Ok(frame) = sll::parse(data) { frame } else { Ether::Unknown(data.to_vec()) } ) } #[inline] pub fn parse_ipv4(data: &[u8]) -> Result { use crate::structs::ipv4::IPv4::*; if let Ok((remaining, ip_hdr)) = ipv4::parse_ipv4_header(data) { let inner = match ip_hdr.protocol { IPProtocol::TCP => match tcp::parse(remaining) { Ok((tcp_hdr, tcp)) => TCP(tcp_hdr, tcp), Err(_) => Unknown(remaining.to_vec()), }, IPProtocol::UDP => match udp::parse(remaining) { Ok((udp_hdr, udp)) => UDP(udp_hdr, udp), Err(_) => Unknown(remaining.to_vec()), }, IPProtocol::ICMP => match icmp::parse(remaining) { Ok((icmp_hdr, icmp)) => ICMP(icmp_hdr, icmp), Err(_) => Unknown(remaining.to_vec()), }, _ => { Unknown(remaining.to_vec()) } }; Ok(Ether::IPv4(ip_hdr, inner)) } else { Ok(Ether::Unknown(data.to_vec())) } } #[inline] pub fn parse_ipv6(data: &[u8]) -> Result { use crate::structs::ipv6::IPv6::*; if let Ok((remaining, ip_hdr)) = ipv6::parse_ipv6_header(data) { let inner = match ip_hdr.next_header { IPProtocol::TCP => match tcp::parse(remaining) { Ok((tcp_hdr, tcp)) => TCP(tcp_hdr, tcp), Err(_) => Unknown(remaining.to_vec()), }, IPProtocol::UDP => match udp::parse(remaining) { Ok((udp_hdr, udp)) => UDP(udp_hdr, udp), Err(_) => Unknown(remaining.to_vec()), }, _ => { Unknown(remaining.to_vec()) } }; Ok(Ether::IPv6(ip_hdr, inner)) } else { Ok(Ether::Unknown(data.to_vec())) } } sniffglue-0.16.0/src/centrifuge/sll.rs000064400000000000000000000067721046102023000157700ustar 00000000000000use crate::centrifuge::{parse_ipv4, parse_ipv6}; use crate::structs::ether::Ether; use crate::structs::CentrifugeError; use nom::bytes::complete::take; use nom::number::complete::be_u16; struct CookedCaptureHeader { protocol: u16, } fn parse_cooked_capture_hdr(remaining: &[u8]) -> nom::IResult<&[u8], CookedCaptureHeader> { let (remaining, _pkt_type) = be_u16(remaining)?; let (remaining, _addr_type) = be_u16(remaining)?; let (remaining, _addr_len) = be_u16(remaining)?; let (remaining, _unused) = take(8_usize)(remaining)?; let (remaining, protocol) = be_u16(remaining)?; Ok((remaining, CookedCaptureHeader { protocol })) } pub fn parse(remaining: &[u8]) -> Result { if let Ok((remaining, ssl_hdr)) = parse_cooked_capture_hdr(remaining) { match ssl_hdr.protocol { 0x0800 => parse_ipv4(remaining), 0x86DD => parse_ipv6(remaining), _ => Err(CentrifugeError::UnknownProtocol), } } else { Err(CentrifugeError::InvalidPacket) } } #[cfg(test)] mod tests { use super::*; use crate::structs::ipv4::IPv4; use crate::structs::tcp::TCP; use pktparse::ip::IPProtocol; use pktparse::ipv4::IPv4Header; use pktparse::tcp::TcpHeader; #[test] fn parse_ppp_tcp() { let pkt = &[ 0, 4, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 69, 0, 0, 94, 246, 185, 64, 0, 64, 6, 207, 208, 116, 210, 112, 45, 101, 229, 41, 43, 207, 129, 84, 13, 198, 148, 181, 0, 43, 213, 120, 197, 128, 24, 10, 79, 191, 153, 0, 0, 1, 1, 8, 10, 142, 74, 43, 3, 135, 14, 204, 87, 0, 40, 78, 0, 0, 0, 0, 0, 3, 251, 177, 252, 25, 181, 4, 23, 100, 102, 211, 164, 79, 192, 232, 227, 130, 103, 52, 17, 8, 4, 169, 136, 247, 108, 69, 53, 165, 67, 201, 73, 66, 79, ]; let eth = parse(pkt).unwrap(); assert_eq!( eth, Ether::IPv4( IPv4Header { version: 4, ihl: 5, tos: 0, length: 94, id: 63161, flags: 2, fragment_offset: 0, ttl: 64, protocol: IPProtocol::TCP, chksum: 53200, source_addr: "116.210.112.45".parse().unwrap(), dest_addr: "101.229.41.43".parse().unwrap(), }, IPv4::TCP( TcpHeader { source_port: 53121, dest_port: 21517, sequence_no: 3331634432, ack_no: 735410373, data_offset: 8, reserved: 0, flag_urg: false, flag_ack: true, flag_psh: true, flag_rst: false, flag_syn: false, flag_fin: false, window: 2639, checksum: 49049, urgent_pointer: 0, options: None, }, TCP::Binary(vec![ 0, 40, 78, 0, 0, 0, 0, 0, 3, 251, 177, 252, 25, 181, 4, 23, 100, 102, 211, 164, 79, 192, 232, 227, 130, 103, 52, 17, 8, 4, 169, 136, 247, 108, 69, 53, 165, 67, 201, 73, 66, 79 ],) ) ) ); } } sniffglue-0.16.0/src/centrifuge/ssdp.rs000064400000000000000000000013621046102023000161350ustar 00000000000000use crate::structs::ssdp::SSDP; use crate::structs::CentrifugeError; pub fn parse_ssdp(data: &str) -> Result { if let Some(extra) = data.strip_prefix("M-SEARCH * HTTP/1.1\r\n") { let extra = if extra.is_empty() { None } else { Some(extra.to_string()) }; Ok(SSDP::Discover(extra)) } else if data == "M-SEARCH * HTTP/1.0" { Ok(SSDP::Discover(None)) } else if let Some(data) = data.strip_prefix("NOTIFY * HTTP/1.1\r\n") { Ok(SSDP::Notify(data.to_string())) } else if let Some(data) = data.strip_prefix("BT-SEARCH * HTTP/1.1\r\n") { Ok(SSDP::BTSearch(data.to_string())) } else { Err(CentrifugeError::UnknownProtocol) } } sniffglue-0.16.0/src/centrifuge/tcp.rs000064400000000000000000000026431046102023000157550ustar 00000000000000use std::str::from_utf8; use pktparse::tcp::{self, TcpHeader}; use crate::centrifuge::http; use crate::centrifuge::tls; use crate::structs::CentrifugeError; use crate::structs::tcp::TCP; pub fn parse(remaining: &[u8]) -> Result<(tcp::TcpHeader, TCP), CentrifugeError> { if let Ok((remaining, tcp_hdr)) = tcp::parse_tcp_header(remaining) { let inner = match extract(&tcp_hdr, remaining) { Ok(x) => x, Err(_) => unknown(remaining), }; Ok((tcp_hdr, inner)) } else { Err(CentrifugeError::InvalidPacket) } } #[inline] pub fn extract(_tcp_hdr: &TcpHeader, remaining: &[u8]) -> Result { if remaining.is_empty() { Ok(TCP::Empty) } else if let Ok(client_hello) = tls::extract(remaining) { Ok(TCP::TLS(client_hello)) } else if let Ok(server_hello) = tls::extract(remaining) { Ok(TCP::TLS(server_hello)) } else if let Ok(http) = http::extract(remaining) { Ok(TCP::HTTP(http)) } else { Err(CentrifugeError::UnknownProtocol) } } #[inline] pub fn unknown(remaining: &[u8]) -> TCP { // if slice contains null bytes, don't try to decode if remaining.contains(&0) { TCP::Binary(remaining.to_vec()) } else { match from_utf8(remaining) { Ok(remaining) => TCP::Text(remaining.to_owned()), Err(_) => TCP::Binary(remaining.to_vec()), } } } sniffglue-0.16.0/src/centrifuge/tls.rs000064400000000000000000000031241046102023000157640ustar 00000000000000use crate::structs::{tls, CentrifugeError}; use crate::structs::tls::{TLS, ClientHello, ServerHello}; use std::str; use tls_parser::{TlsMessage, TlsMessageHandshake, TlsExtension, parse_tls_extension}; pub fn extract(remaining: &[u8]) -> Result { if let Ok((_remaining, tls)) = tls_parser::parse_tls_plaintext(remaining) { for msg in tls.msg { match msg { TlsMessage::Handshake(TlsMessageHandshake::ClientHello(ch)) => { let mut hostname = None; if let Some(mut remaining) = ch.ext { while let Ok((remaining2, ext)) = parse_tls_extension(remaining) { remaining = remaining2; if let TlsExtension::SNI(sni) = ext { for s in sni { let name = str::from_utf8(s.1) .map_err(|_| CentrifugeError::ParsingError)?; hostname = Some(name.to_owned()); } } } return Ok(TLS::ClientHello(ClientHello::new(&ch, hostname))); } }, TlsMessage::Handshake(TlsMessageHandshake::ServerHello(sh)) => { return Ok(TLS::ServerHello(ServerHello::new(&sh))); }, _ => (), } } Err(CentrifugeError::ParsingError) } else { Err(CentrifugeError::WrongProtocol) } } sniffglue-0.16.0/src/centrifuge/udp.rs000064400000000000000000000036161046102023000157600ustar 00000000000000use std::str::from_utf8; use pktparse::udp::{self, UdpHeader}; use crate::centrifuge::dns; use crate::centrifuge::dhcp; use crate::centrifuge::ssdp; use crate::centrifuge::dropbox; use crate::structs::CentrifugeError; use crate::structs::udp::UDP; pub fn parse(remaining: &[u8]) -> Result<(udp::UdpHeader, UDP), CentrifugeError> { if let Ok((remaining, udp_hdr)) = udp::parse_udp_header(remaining) { let inner = match extract(udp_hdr, remaining) { Ok(x) => x, Err(_) => unknown(remaining), }; Ok((udp_hdr, inner)) } else { Err(CentrifugeError::InvalidPacket) } } #[inline] pub fn extract(udp_hdr: UdpHeader, remaining: &[u8]) -> Result { if remaining.is_empty() { Ok(UDP::Binary(Vec::new())) } else if udp_hdr.dest_port == 53 || udp_hdr.source_port == 53 { let dns = dns::extract(remaining)?; Ok(UDP::DNS(dns)) } else if (udp_hdr.dest_port == 67 && udp_hdr.source_port == 68) || (udp_hdr.dest_port == 68 && udp_hdr.source_port == 67) { let dhcp = dhcp::extract(remaining)?; Ok(UDP::DHCP(dhcp)) } else if udp_hdr.source_port == 17500 && udp_hdr.dest_port == 17500 { let dropbox = dropbox::extract(remaining)?; Ok(UDP::Dropbox(dropbox)) } else { Err(CentrifugeError::UnknownProtocol) } } #[inline] pub fn unknown(remaining: &[u8]) -> UDP { // if slice contains null bytes, don't try to decode if remaining.contains(&0) { UDP::Binary(remaining.to_vec()) } else { match from_utf8(remaining) { Ok(remaining) => { if let Ok(ssdp) = ssdp::parse_ssdp(remaining) { UDP::SSDP(ssdp) } else { UDP::Text(remaining.to_owned()) } } Err(_) => UDP::Binary(remaining.to_vec()), } } } sniffglue-0.16.0/src/cli.rs000064400000000000000000000026711046102023000136040ustar 00000000000000use clap::ArgAction; use clap_complete::Shell; #[derive(Debug, clap::Parser)] #[allow(clippy::struct_excessive_bools)] pub struct Args { /// Set device to promiscuous mode #[arg(short='p', long="promisc")] pub promisc: bool, /// Show fully dissected packets with all headers for development #[arg(long="debugging")] pub debugging: bool, /// Json output (unstable) #[arg(short='j', long="json")] pub json: bool, #[arg(short='v', long="verbose", action(ArgAction::Count), help="Increase filter sensitivity to show more (possibly less useful) packets. The default only shows few packets, this flag can be specified multiple times. (maximum: 4)")] pub verbose: u8, /// Open a pcap file instead of a device #[arg(short='r', long="read")] pub read: bool, // --cpus is a legacy alias and going to be removed in the future /// Number of packet parsing threads (defaults to number of cpu cores) #[arg(short='n', long="threads", alias="cpus")] pub threads: Option, /// Disable syscall filter sandbox, /// this flag disables security features in sniffglue, /// please file a bug report if you need this option #[arg(long)] pub insecure_disable_seccomp: bool, /// Generate shell completions #[arg(long, hide=true)] pub gen_completions: Option, /// The device or file to read packets from pub device: Option, } sniffglue-0.16.0/src/errors.rs000064400000000000000000000001321046102023000143370ustar 00000000000000pub use anyhow::{Error, Result, Context, anyhow, bail}; pub use log::{debug, info, warn}; sniffglue-0.16.0/src/fmt.rs000064400000000000000000000565111046102023000136250ustar 00000000000000use std::sync::Arc; use ansi_term::Color; use bstr::ByteSlice; use reduce::Reduce; use sha2::{Sha512, Digest}; use std::cmp; use std::fmt::Debug; use pktparse::icmp::{IcmpHeader, IcmpCode, IcmpData}; use crate::structs::ether::Ether; use crate::structs::arp; use crate::structs::cjdns; use crate::structs::ip::IPHeader; use crate::structs::ipv4; use crate::structs::ipv6; use crate::structs::tcp; use crate::structs::udp; use crate::structs::icmp; use crate::structs::http; use crate::structs::raw::Raw; use crate::structs::tls; use crate::structs::NoiseLevel; const GREY: Color = Color::Fixed(245); pub struct Config { fmt: Format, filter: Arc, } impl Config { pub fn new(layout: Layout, verbosity: u8, colors: bool) -> Config { Config { fmt: Format::new(layout, colors), filter: Arc::new(Filter::new(verbosity)), } } pub fn filter(&self) -> Arc { self.filter.clone() } pub fn format(self) -> Format { self.fmt } } pub enum Layout { Compact, Debugging, Json, } pub struct Format { layout: Layout, colors: bool, } impl Format { pub fn new(layout: Layout, colors: bool) -> Format { Format { layout, colors, } } #[inline] pub fn print(&self, packet: Raw) { match self.layout { Layout::Compact => self.print_compact(packet), Layout::Debugging => self.print_debugging(packet), Layout::Json => self.print_json(&packet), } } #[inline] fn colorify(&self, color: Color, out: String) -> String { if self.colors { color.normal().paint(out).to_string() } else { out } } #[inline] fn print_compact(&self, packet: Raw) { let mut out = String::new(); let color = match packet { Raw::Ether(eth_frame, eth) => { out += &format!("{} -> {}, ", display_macaddr(eth_frame.source_mac), display_macaddr(eth_frame.dest_mac)); self.format_compact_eth(&mut out, eth) }, Raw::Tun(eth) => self.format_compact_eth(&mut out, eth), Raw::Sll(eth) => self.format_compact_eth(&mut out, eth), Raw::Unknown(data) => self.format_compact_unknown_data(&mut out, &data), }; println!("{}", match color { Some(color) => self.colorify(color, out), None => out, }); } #[inline] fn format_compact_unknown_data(&self, out: &mut String, data: &[u8]) -> Option { out.push_str(&format!("[unknown] {:?}", data)); None } #[inline] fn format_compact_eth(&self, out: &mut String, eth: Ether) -> Option { match eth { Ether::Arp(arp_pkt) => Some(self.format_compact_arp(out, &arp_pkt)), Ether::IPv4(ip_hdr, ipv4) => self.format_compact_ipv4(out, &ip_hdr, ipv4), Ether::IPv6(ip_hdr, ipv6) => self.format_compact_ipv6(out, &ip_hdr, ipv6), Ether::Cjdns(cjdns_pkt) => Some(self.format_compact_cjdns(out, &cjdns_pkt)), Ether::Unknown(data) => self.format_compact_unknown_data(out, &data), } } #[inline] fn format_compact_arp(&self, out: &mut String, arp_pkt: &arp::ARP) -> Color { use crate::structs::arp::ARP; out.push_str(&match arp_pkt { ARP::Request(arp_pkt) => { format!("[arp/request] {:15} ? (tell {}, {})", arp_pkt.dest_addr.to_string(), arp_pkt.src_addr, display_macaddr(arp_pkt.src_mac)) }, ARP::Reply(arp_pkt) => { format!("[arp/reply ] {:15} ! => {} (fyi {}, {})", arp_pkt.src_addr.to_string(), display_macaddr(arp_pkt.src_mac), arp_pkt.dest_addr, display_macaddr(arp_pkt.dest_mac)) }, }); Color::Blue } #[inline] fn format_compact_cjdns(&self, out: &mut String, cjdns: &cjdns::CjdnsEthPkt) -> Color { let password = cjdns.password.iter() .map(|b| { format!("\\x{:02x}", b) }) .fold(String::new(), |a, b| a + &b); let ipv6 = { let bytes1 = Sha512::digest(&cjdns.pubkey); let bytes2 = Sha512::digest(bytes1); let mut iter = bytes2.as_slice().iter(); let mut ipv6 = String::new(); for x in 0..8 { let b1 = iter.next().unwrap(); let b2 = iter.next().unwrap(); ipv6.push_str(&format!("{:02x}{:02x}", b1, b2)); if x != 7 { ipv6.push(':'); } } ipv6 }; out.push_str(&format!("[cjdns beacon] version={:?}, password=\"{}\", ipv6={:?}, pubkey={:?}", cjdns.version, password, ipv6, cjdns.pubkey)); Color::Purple } #[inline] fn format_compact_ipv4(&self, out: &mut String, ip_hdr: &IP, next: ipv4::IPv4) -> Option { match next { ipv4::IPv4::TCP(tcp_hdr, tcp) => Some(self.format_compact_ip_tcp(out, ip_hdr, &tcp_hdr, tcp)), ipv4::IPv4::UDP(udp_hdr, udp) => Some(self.format_compact_ip_udp(out, ip_hdr, udp_hdr, udp)), ipv4::IPv4::ICMP(icmp_hdr, icmp) => Some(self.format_compact_ip_icmp(out, ip_hdr, icmp_hdr, icmp)), ipv4::IPv4::Unknown(data) => self.format_compact_ip_unknown(out, ip_hdr, &data), } } #[inline] fn format_compact_ipv6(&self, out: &mut String, ip_hdr: &IP, next: ipv6::IPv6) -> Option { match next { ipv6::IPv6::TCP(tcp_hdr, tcp) => Some(self.format_compact_ip_tcp(out, ip_hdr, &tcp_hdr, tcp)), ipv6::IPv6::UDP(udp_hdr, udp) => Some(self.format_compact_ip_udp(out, ip_hdr, udp_hdr, udp)), ipv6::IPv6::Unknown(data) => self.format_compact_ip_unknown(out, ip_hdr, &data), } } #[inline] fn format_compact_ip_unknown(&self, out: &mut String, ip_hdr: &IP, data: &[u8]) -> Option { out.push_str(&format!("[unknown] {} -> {} {:?}", ip_hdr.source_addr(), ip_hdr.dest_addr(), data)); None } #[inline] fn format_compact_ip_tcp(&self, out: &mut String, ip_hdr: &IP, tcp_hdr: &pktparse::tcp::TcpHeader, tcp: tcp::TCP) -> Color { let mut flags = String::new(); if tcp_hdr.flag_syn { flags.push('S') } if tcp_hdr.flag_ack { flags.push('A') } if tcp_hdr.flag_rst { flags.push('R') } if tcp_hdr.flag_fin { flags.push('F') } out.push_str(&format!("[tcp/{:2}] {:22} -> {:22} ", flags, format!("{}:{}", ip_hdr.source_addr(), tcp_hdr.source_port), format!("{}:{}", ip_hdr.dest_addr(), tcp_hdr.dest_port))); use crate::structs::tcp::TCP::*; match tcp { HTTP(http::Http::Request(http)) => { out.push_str("[http] req, "); let offset = out.len(); out.push_str(&format!("{:?} {:?} HTTP/1.{}", http.method, http.path, http.version)); if let Some(host) = &http.host { out.push_str(&format!(" - http://{host}{}", http.path)); } for (key, value) in &http.headers { out.push_str(&align(offset, &format!("{key:?}: {value:?}"))); } if let Some(body) = http.body { out.push('\n'); out.push_str(&align(offset, &format!("{body:?}"))); } Color::Red }, HTTP(http::Http::Response(http)) => { out.push_str("[http] resp, "); let offset = out.len(); out.push_str(&format!("HTTP/1.{} {} {:?} ", http.version, http.code, http.reason)); for (key, value) in &http.headers { out.push_str(&align(offset, &format!("{key:?}: {value:?}"))); } if let Some(body) = http.body { out.push('\n'); out.push_str(&align(offset, &format!("{body:?}"))); } Color::Red } TLS(tls::TLS::ClientHello(client_hello)) => { let extra = display_kv_list(&[ ("version", client_hello.version), ("session", client_hello.session_id.as_deref()), ("hostname", client_hello.hostname.as_deref()), ]); out.push_str("[tls] ClientHello"); out.push_str(&extra); Color::Green }, TLS(tls::TLS::ServerHello(server_hello)) => { let extra = display_kv_list(&[ ("version", server_hello.version), ("session", server_hello.session_id.as_deref()), ("cipher", server_hello.cipher), ]); out.push_str("[tls] ServerHello"); out.push_str(&extra); Color::Green }, Text(text) => { out.push_str(&format!("[text] {:?}", text)); Color::Red }, Binary(x) => { out.push_str(&format!("[binary] {:?}", x.as_bstr())); if tcp_hdr.flag_rst { GREY } else { Color::Red } }, Empty => { GREY }, } } #[inline] fn format_compact_ip_udp(&self, out: &mut String, ip_hdr: &IP, udp_hdr: pktparse::udp::UdpHeader, udp: udp::UDP) -> Color { out.push_str(&format!("[udp ] {:22} -> {:22} ", format!("{}:{}", ip_hdr.source_addr(), udp_hdr.source_port), format!("{}:{}", ip_hdr.dest_addr(), udp_hdr.dest_port))); use crate::structs::udp::UDP::*; match udp { DHCP(dhcp) => { use crate::structs::dhcp::DHCP::*; match dhcp { DISCOVER(disc) => { out.push_str(&format!("[dhcp] DISCOVER: {}", display_macadr_buf(disc.chaddr))); out.push_str(&DhcpKvListWriter::new() .append("hostname", &disc.hostname) .append("requested_ip_address", &disc.requested_ip_address) .finalize()); }, REQUEST(req) => { out.push_str(&format!("[dhcp] REQ: {}", display_macadr_buf(req.chaddr))); out.push_str(&DhcpKvListWriter::new() .append("hostname", &req.hostname) .append("requested_ip_address", &req.requested_ip_address) .finalize()); }, ACK(ack) => { out.push_str(&format!("[dhcp] ACK: {} => {}", display_macadr_buf(ack.chaddr), ack.yiaddr)); out.push_str(&DhcpKvListWriter::new() .append("hostname", &ack.hostname) .append("router", &ack.router) .append("dns", &ack.domain_name_server) .finalize()); }, OFFER(offer) => { out.push_str(&format!("[dhcp] OFFER: {} => {}", display_macadr_buf(offer.chaddr), offer.yiaddr)); out.push_str(&DhcpKvListWriter::new() .append("hostname", &offer.hostname) .append("router", &offer.router) .append("dns", &offer.domain_name_server) .finalize()); }, _ => { out.push_str(&format!("[dhcp] {:?}", dhcp)); // TODO }, }; Color::Blue }, DNS(dns) => { use crate::structs::dns::DNS::*; match dns { Request(req) => { out.push_str("[dns] req, "); match Reduce::reduce(req.questions.iter() .map(|x| format!("{:?}", x)), |a, b| a + &align(out.len(), &b)) { Some(dns) => out.push_str(&dns), None => out.push_str("[]"), }; }, Response(resp) => { out.push_str("[dns] resp, "); match Reduce::reduce(resp.answers.iter() .map(|x| format!("{:?}", x)), |a, b| a + &align(out.len(), &b)) { Some(dns) => out.push_str(&dns), None => out.push_str("[]"), }; }, }; Color::Yellow }, SSDP(ssdp) => { use crate::structs::ssdp::SSDP::*; out.push_str(&match ssdp { Discover(None) => "[ssdp] searching...".to_string(), Discover(Some(extra)) => format!("[ssdp] searching({:?})...", extra), Notify(extra) => format!("[ssdp] notify: {:?}", extra), BTSearch(extra) => format!("[ssdp] torrent search: {:?}", extra), }); Color::Purple }, Dropbox(dropbox) => { out.push_str(&format!("[dropbox] beacon: version={:?}, \ host_int={:?}, \ namespaces={:?}, \ displayname={:?}, \ port={:?}", dropbox.version, dropbox.host_int, dropbox.namespaces, dropbox.displayname, dropbox.port)); Color::Purple }, Text(text) => { out.push_str(&format!("[text] {:?}", text)); Color::Red }, Binary(x) => { out.push_str(&format!("[binary] {:?}", x.as_bstr())); Color::Red }, } } fn format_compact_ip_icmp(&self, out: &mut String, ip_hdr: &IP, icmp_hdr: IcmpHeader, icmp: icmp::ICMP) -> Color { let code = match icmp_hdr.code { IcmpCode::EchoReply => Some("icmp/pong"), /* IcmpCode::Reserved, */ IcmpCode::DestinationUnreachable(_) => Some("icmp/unrch"), /* IcmpCode::DestinationUnreachable(Unreachable), IcmpCode::SourceQuench, IcmpCode::Redirect(Redirect), */ IcmpCode::EchoRequest => Some("icmp/ping"), /* IcmpCode::RouterAdvertisment, IcmpCode::RouterSolicication, */ IcmpCode::TimeExceeded(_) => Some("icmp/ttl"), /* IcmpCode::ParameterProblem(ParameterProblem), IcmpCode::Timestamp, IcmpCode::TimestampReply, IcmpCode::ExtendedEchoRequest, IcmpCode::ExtendedEchoReply(ExtendedEchoReply), IcmpCode::Other(u16) */ _ => None, }; out.push_str(&format!("[{:10}] {:18} -> {:22} [code={:?}", code.unwrap_or("icmp"), ip_hdr.source_addr(), ip_hdr.dest_addr(), icmp_hdr.code)); if icmp_hdr.data != IcmpData::None { out.push_str(&format!(", data={:?}", icmp_hdr.data)); } out.push_str(&format!("] {:?}", icmp.data.as_bstr())); Color::Blue } #[inline] fn print_debugging(&self, packet: Raw) { match packet { Raw::Ether(eth_frame, eth) => { println!("eth: {:?}", eth_frame); self.print_debugging_eth(1, eth); }, Raw::Tun(eth) => self.print_debugging_eth(0, eth), Raw::Sll(eth) => self.print_debugging_eth(0, eth), Raw::Unknown(data) => println!("unknown: {:?}", data), } } #[inline] fn print_debugging_eth(&self, indent: usize, eth: Ether) { match eth { Ether::Arp(arp_pkt) => { println!("{}{}", "\t".repeat(indent), self.colorify(Color::Blue, format!("arp: {:?}", arp_pkt))); }, Ether::IPv4(ip_hdr, ipv4::IPv4::TCP(tcp_hdr, tcp)) => { println!("{}ipv4: {:?}", "\t".repeat(indent), ip_hdr); println!("{}tcp: {:?}", "\t".repeat(indent+1), tcp_hdr); println!("{}{}", "\t".repeat(indent+2), self.print_debugging_tcp(tcp)); }, Ether::IPv4(ip_hdr, ipv4::IPv4::UDP(udp_hdr, udp)) => { println!("{}ipv4: {:?}", "\t".repeat(indent), ip_hdr); println!("{}udp: {:?}", "\t".repeat(indent+1), udp_hdr); println!("{}{}", "\t".repeat(indent+2), self.print_debugging_udp(udp)); }, Ether::IPv4(ip_hdr, ipv4::IPv4::ICMP(icmp_hdr, icmp)) => { println!("{}ipv4: {:?}", "\t".repeat(indent), ip_hdr); println!("{}icmp: {:?}", "\t".repeat(indent+1), icmp_hdr); println!("{}{:?}", "\t".repeat(indent+2), icmp.data); }, Ether::IPv4(ip_hdr, ipv4::IPv4::Unknown(data)) => { println!("{}ipv4: {:?}", "\t".repeat(indent), ip_hdr); println!("{}unknown: {:?}", "\t".repeat(indent+1), data); }, Ether::IPv6(ip_hdr, ipv6::IPv6::TCP(tcp_hdr, tcp)) => { println!("{}ipv6: {:?}", "\t".repeat(indent), ip_hdr); println!("{}tcp: {:?}", "\t".repeat(indent+1), tcp_hdr); println!("{}{}", "\t".repeat(indent+2), self.print_debugging_tcp(tcp)); }, Ether::IPv6(ip_hdr, ipv6::IPv6::UDP(udp_hdr, udp)) => { println!("{}ipv6: {:?}", "\t".repeat(indent), ip_hdr); println!("{}udp: {:?}", "\t".repeat(indent+1), udp_hdr); println!("{}{}", "\t".repeat(indent+2), self.print_debugging_udp(udp)); }, Ether::IPv6(ip_hdr, ipv6::IPv6::Unknown(data)) => { println!("{}ipv6: {:?}", "\t".repeat(indent), ip_hdr); println!("{}unknown: {:?}", "\t".repeat(indent+1), data); }, Ether::Cjdns(cjdns_pkt) => { println!("{}cjdns: {:?}", "\t".repeat(indent), cjdns_pkt); }, Ether::Unknown(data) => { println!("{}unknown: {:?}", "\t".repeat(indent), data); } } } #[inline] fn print_debugging_tcp(&self, tcp: tcp::TCP) -> String { use crate::structs::tcp::TCP::*; match tcp { HTTP(http::Http::Request(http)) => { self.colorify(Color::Red, format!("http: {http:?}")) }, HTTP(http::Http::Response(http)) => { self.colorify(Color::Red, format!("http: {http:?}")) }, TLS(client_hello) => { self.colorify(Color::Green, format!("tls: {:?}", client_hello)) }, Text(text) => { self.colorify(Color::Blue, format!("remaining: {:?}", text)) }, Binary(x) => { self.colorify(Color::Yellow, format!("remaining: {:?}", x)) }, Empty => self.colorify(GREY, String::new()), } } #[inline] fn print_debugging_udp(&self, udp: udp::UDP) -> String { use crate::structs::udp::UDP::*; match udp { DHCP(dhcp) => { self.colorify(Color::Green, format!("dhcp: {:?}", dhcp)) }, DNS(dns) => { self.colorify(Color::Green, format!("dns: {:?}", dns)) }, SSDP(ssdp) => { self.colorify(Color::Purple, format!("ssdp: {:?}", ssdp)) }, Dropbox(dropbox) => { self.colorify(Color::Purple, format!("dropbox: {:?}", dropbox)) }, Text(text) => { self.colorify(Color::Blue, format!("remaining: {:?}", text)) }, Binary(x) => { self.colorify(Color::Yellow, format!("remaining: {:?}", x)) }, } } #[inline] fn print_json(&self, packet: &Raw) { println!("{}", serde_json::to_string(packet).unwrap()); } } pub struct Filter { pub verbosity: u8, } impl Filter { #[inline] pub fn new(verbosity: u8) -> Filter { let verbosity = cmp::min(verbosity, NoiseLevel::Maximum.into_u8()); Filter { verbosity, } } #[inline] pub fn matches(&self, packet: &Raw) -> bool { packet.noise_level().into_u8() <= self.verbosity } } #[inline] fn align(len: usize, a: &str) -> String { format!("\n{}{}", " ".repeat(len), &a) } // TODO: upstream #[inline] fn display_macaddr(mac: pktparse::ethernet::MacAddress) -> String { display_macadr_buf(mac.0) } #[inline] fn display_macadr_buf(mac: [u8; 6]) -> String { let mut string = mac.iter() .fold(String::new(), |acc, &x| { format!("{}{:02x}:", acc, x) }); string.pop(); string } #[inline] fn display_kv_list(list: &[(&str, Option<&str>)]) -> String { Reduce::reduce(list.iter() .filter_map(|&(key, ref value)| { value.as_ref().map(|value| { format!("{}: {:?}", key, value) }) }), |a, b| a + ", " + &b) .map_or_else(String::new, |extra| format!(" ({})", extra)) } struct DhcpKvListWriter<'a> { elements: Vec<(&'a str, String)>, } impl<'a> DhcpKvListWriter<'a> { fn new() -> DhcpKvListWriter<'a> { DhcpKvListWriter{ elements: vec!() } } fn append(mut self, key: &'a str, value: &Option) -> Self { if let Some(value) = value { self.elements.push(( key, format!("{:?}", value), )); } self } fn finalize(self) -> String { Reduce::reduce(self.elements.iter() .map(|&(key, ref value)| { format!("{}: {}", key, value) }), |a, b| a + ", " + &b) .map_or_else(String::new, |extra| format!(" ({})", extra)) } } sniffglue-0.16.0/src/lib.rs000064400000000000000000000222271046102023000136020ustar 00000000000000#![allow(clippy::upper_case_acronyms)] pub mod centrifuge; pub mod errors; pub mod link; pub mod sandbox; pub mod structs; pub mod sniff; #[cfg(test)] mod tests { use super::*; const HTML: [u8; 390] = [ 32, 32, 32, 32, 32, 32, 32, 112, 97, 100, 100, 105, 110, 103, 58, 32, 49, 101, 109, 59, 10, 32, 32, 32, 32, 32, 32, 32, 32, 125, 10, 32, 32, 32, 32, 125, 10, 32, 32, 32, 32, 60, 47, 115, 116, 121, 108, 101, 62, 32, 32, 32, 32, 10, 60, 47, 104, 101, 97, 100, 62, 10, 10, 60, 98, 111, 100, 121, 62, 10, 60, 100, 105, 118, 62, 10, 32, 32, 32, 32, 60, 104, 49, 62, 69, 120, 97, 109, 112, 108, 101, 32, 68, 111, 109, 97, 105, 110, 60, 47, 104, 49, 62, 10, 32, 32, 32, 32, 60, 112, 62, 84, 104, 105, 115, 32, 100, 111, 109, 97, 105, 110, 32, 105, 115, 32, 101, 115, 116, 97, 98, 108, 105, 115, 104, 101, 100, 32, 116, 111, 32, 98, 101, 32, 117, 115, 101, 100, 32, 102, 111, 114, 32, 105, 108, 108, 117, 115, 116, 114, 97, 116, 105, 118, 101, 32, 101, 120, 97, 109, 112, 108, 101, 115, 32, 105, 110, 32, 100, 111, 99, 117, 109, 101, 110, 116, 115, 46, 32, 89, 111, 117, 32, 109, 97, 121, 32, 117, 115, 101, 32, 116, 104, 105, 115, 10, 32, 32, 32, 32, 100, 111, 109, 97, 105, 110, 32, 105, 110, 32, 101, 120, 97, 109, 112, 108, 101, 115, 32, 119, 105, 116, 104, 111, 117, 116, 32, 112, 114, 105, 111, 114, 32, 99, 111, 111, 114, 100, 105, 110, 97, 116, 105, 111, 110, 32, 111, 114, 32, 97, 115, 107, 105, 110, 103, 32, 102, 111, 114, 32, 112, 101, 114, 109, 105, 115, 115, 105, 111, 110, 46, 60, 47, 112, 62, 10, 32, 32, 32, 32, 60, 112, 62, 60, 97, 32, 104, 114, 101, 102, 61, 34, 104, 116, 116, 112, 58, 47, 47, 119, 119, 119, 46, 105, 97, 110, 97, 46, 111, 114, 103, 47, 100, 111, 109, 97, 105, 110, 115, 47, 101, 120, 97, 109, 112, 108, 101, 34, 62, 77, 111, 114, 101, 32, 105, 110, 102, 111, 114, 109, 97, 116, 105, 111, 110, 46, 46, 46, 60, 47, 97, 62, 60, 47, 112, 62, 10, 60, 47, 100, 105, 118, 62, 10, 60, 47, 98, 111, 100, 121, 62, 10, 60, 47, 104, 116, 109, 108, 62, 10 ]; #[test] fn tcp() { use crate::structs::raw::Raw::Ether; use crate::structs::ether::Ether::IPv4; use crate::structs::ipv4::IPv4::TCP; use crate::structs::tcp::TCP::Text; use pktparse::ethernet::{MacAddress, EtherType, EthernetFrame}; use pktparse::ip::IPProtocol; use pktparse::ipv4::IPv4Header; use pktparse::tcp::TcpHeader; let mut pkt = Vec::new(); pkt.extend([ 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 8, 0, 69, 0, 1, 186, 78, 105, 64, 0, 55, 6, 251, 115, 93, 184, 216, 34, 192, 168, 44, 55, 0, 80, 142, 158, 133, 72, 141, 7, 64, 115, 177, 1, 128, 24, 1, 27, 200, 121, 0, 0, 1, 1, 8, 10, 59, 135, 198, 7, 93, 127, 194, 19, ].iter()); pkt.extend(HTML.iter()); let expected = Ok(Ether( EthernetFrame { source_mac: MacAddress([0x11, 0x22, 0x33, 0x44, 0x55, 0x66]), dest_mac: MacAddress([0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc]), ethertype: EtherType::IPv4, }, IPv4(IPv4Header { version: 4, ihl: 5, tos: 0, length: 442, id: 20073, flags: 2, fragment_offset: 0, ttl: 55, protocol: IPProtocol::TCP, chksum: 64371, source_addr: "93.184.216.34".parse().unwrap(), dest_addr: "192.168.44.55".parse().unwrap(), }, TCP(TcpHeader { source_port: 80, dest_port: 36510, sequence_no: 2236124423, ack_no: 1081323777, data_offset: 8, reserved: 0, flag_urg: false, flag_ack: true, flag_psh: true, flag_rst: false, flag_syn: false, flag_fin: false, window: 283, checksum: 51321, urgent_pointer: 0, options: None }, Text(String::from_utf8(HTML.to_vec()).unwrap()) )))); let x = centrifuge::parse_eth(&pkt); assert_eq!(expected, x); } #[test] fn regression_dhcp_16() { // https://github.com/kpcyrd/sniffglue/issues/16 let bytes = &[10, 10, 0, 0, 255, 255, 64, 56, 255, 255, 0, 0, 8, 0, 10, 10, 0, 0, 0, 0, 0, 25, 17, 17, 17, 17, 17, 53, 39, 0, 0, 10, 0, 10, 0, 67, 0, 68, 53, 53, 53, 53, 39, 0, 0, 10, 0, 10, 0, 0, 255, 255, 0, 56, 255, 255, 0, 0, 8, 0, 10, 10]; let _ = centrifuge::parse_eth(bytes); // 239 dhcp bytes let bytes = &[10, 10, 0, 0, 255, 255, 64, 56, 255, 255, 0, 0, 8, 0, 10, 10, 0, 0, 0, 0, 0, 25, 17, 17, 17, 17, 17, 53, 39, 0, 0, 10, 0, 10, 0, 67, 0, 68, 53, 53, 53, 53, 39, 0, 0, 10, 0, 10, 0, 0, 255, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 255, 0, 56, 255, 255, 0, 0, 8, 0, 10]; let _ = centrifuge::parse_eth(bytes); // 240 dhcp bytes let bytes = &[10, 10, 0, 0, 255, 255, 64, 56, 255, 255, 0, 0, 8, 0, 10, 10, 0, 0, 0, 0, 0, 25, 17, 17, 17, 17, 17, 53, 39, 0, 0, 10, 0, 10, 0, 67, 0, 68, 53, 53, 53, 53, 39, 0, 0, 10, 0, 10, 0, 0, 255, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 255, 0, 56, 255, 255, 0, 0, 8, 0, 10, 10]; let _ = centrifuge::parse_eth(bytes); } } sniffglue-0.16.0/src/link.rs000064400000000000000000000013541046102023000137670ustar 00000000000000use crate::errors::*; #[derive(Debug, Clone)] pub enum DataLink { Ethernet, Tun, Sll, RadioTap, } impl DataLink { pub fn from_linktype(linktype: i32) -> Result { match linktype { 1 => { // LINKTYPE_ETHERNET Ok(DataLink::Ethernet) }, 12 => { // RAW IP (linux tun) Ok(DataLink::Tun) }, 113 => { // LINKTYPE_LINUX_SLL (eg. ppp) Ok(DataLink::Sll) } 127 => { // LINKTYPE_IEEE802_11_RADIOTAP Ok(DataLink::RadioTap) }, x => bail!("Unknown link type: {:?}", x), } } } sniffglue-0.16.0/src/main.rs000064400000000000000000000061101046102023000137510ustar 00000000000000mod cli; mod fmt; use clap::{CommandFactory, Parser}; use crate::cli::Args; use env_logger::Env; use sniffglue::centrifuge; use sniffglue::errors::*; use sniffglue::link::DataLink; use sniffglue::sandbox; use sniffglue::sniff; use sniffglue::structs; use std::io::{self, IsTerminal, stdout}; use std::sync::{mpsc, Arc, Mutex}; use std::thread; fn main() -> Result<()> { env_logger::init_from_env(Env::default() .default_filter_or("sniffglue=warn")); let mut args = Args::parse(); if let Some(shell) = args.gen_completions { clap_complete::generate(shell, &mut Args::command(), "sniffglue", &mut stdout()); return Ok(()); } sandbox::activate_stage1(args.insecure_disable_seccomp) .context("Failed to init sandbox stage1")?; let device = if let Some(dev) = args.device { dev } else { sniff::default_interface() .context("Failed to find default interface")? }; let layout = if args.json { fmt::Layout::Json } else if args.debugging { fmt::Layout::Debugging } else { fmt::Layout::Compact }; let colors = io::stdout().is_terminal(); let config = fmt::Config::new(layout, args.verbose, colors); let cap = if args.read { if args.threads.is_none() { debug!("Setting thread default to 1 due to -r"); args.threads = Some(1); } let cap = sniff::open_file(&device)?; eprintln!("Reading from file: {:?}", device); cap } else { let cap = sniff::open(&device, &sniff::Config { promisc: args.promisc, immediate_mode: true, })?; let verbosity = config.filter().verbosity; eprintln!("Listening on device: {:?}, verbosity {}/4", device, verbosity); cap }; let threads = args.threads.unwrap_or_else(num_cpus::get); debug!("Using {} threads", threads); let datalink = DataLink::from_linktype(cap.datalink())?; let filter = config.filter(); let (tx, rx) = mpsc::sync_channel(256); let cap = Arc::new(Mutex::new(cap)); sandbox::activate_stage2(args.insecure_disable_seccomp) .context("Failed to init sandbox stage2")?; for _ in 0..threads { let cap = cap.clone(); let datalink = datalink.clone(); let filter = filter.clone(); let tx = tx.clone(); thread::spawn(move || { loop { let packet = { let mut cap = cap.lock().unwrap(); cap.next_pkt() }; if let Ok(Some(packet)) = packet { let packet = centrifuge::parse(&datalink, &packet.data); if filter.matches(&packet) { tx.send(packet).unwrap() } } else { debug!("End of packet stream, shutting down reader thread"); break; } } }); } drop(tx); let format = config.format(); for packet in rx.iter() { format.print(packet); } Ok(()) } sniffglue-0.16.0/src/sandbox/config.rs000064400000000000000000000026421046102023000157360ustar 00000000000000use crate::errors::*; use serde::Deserialize; use std::fs; use std::path::Path; #[derive(Debug, Default, Deserialize, PartialEq)] pub struct Config { pub sandbox: SandboxConfig, } #[derive(Debug, Default, Deserialize, PartialEq)] pub struct SandboxConfig { pub user: Option, pub chroot: Option, } pub fn find() -> Option { let mut paths = vec![ String::from("/etc/sniffglue.conf"), String::from("/usr/local/etc/sniffglue.conf"), ]; if let Some(home) = dirs_next::config_dir() { let path = home.join(Path::new("sniffglue.conf")); if let Some(path) = path.to_str() { paths.push(path.into()); } }; paths.into_iter().find(|p| Path::new(&p).exists()) } pub fn load(path: &str) -> Result { let content = fs::read_to_string(path)?; let config = toml::from_str(&content)?; Ok(config) } #[cfg(test)] mod tests { use super::*; #[test] fn parse_config() { let config: Config = toml::from_str( r#" [sandbox] user = "foo" chroot = "/var/empty" "#, ).unwrap(); assert_eq!( Config { sandbox: SandboxConfig { user: Some(String::from("foo")), chroot: Some(String::from("/var/empty")), }, }, config ); } } sniffglue-0.16.0/src/sandbox/mod.rs000064400000000000000000000072671046102023000152600ustar 00000000000000use crate::errors::*; use std::fs; use std::env; use std::os::unix::fs::MetadataExt; use nix::unistd::{Uid, Gid, setuid, setgid}; // TODO: drop the condition after nix added getgroups/setgroups support to osx #[cfg(target_os="linux")] use nix::unistd::{getgroups, setgroups}; pub mod config; #[cfg(target_os="linux")] pub mod seccomp; pub fn activate_stage1(disable_seccomp: bool) -> Result<()> { if disable_seccomp { warn!("DANGER: seccomp sandbox is disabled, please report bugs at https://github.com/kpcyrd/sniffglue/issues if seccomp is causing issues"); } else { #[cfg(target_os="linux")] seccomp::activate_stage1()?; } info!("stage 1/2 is active"); Ok(()) } pub fn chroot(path: &str) -> Result<()> { let metadata = fs::metadata(path)?; if !metadata.is_dir() { bail!("chroot target is no directory"); } if metadata.uid() != 0 { bail!("chroot target isn't owned by root"); } if metadata.mode() & 0o22 != 0 { bail!("chroot is writable by group or world"); } nix::unistd::chroot(path)?; env::set_current_dir("/")?; Ok(()) } #[cfg(target_os="linux")] pub fn id() -> String { let uid = uzers::get_current_uid(); let euid = uzers::get_effective_uid(); let gid = uzers::get_current_gid(); let egid = uzers::get_effective_gid(); let groups = getgroups().unwrap(); format!( "uid={:?} euid={:?} gid={:?} egid={:?} groups={:?}", uid, euid, gid, egid, groups, ) } // TODO: use the other id function everywhere after nix added getgroups/setgroups support to osx #[cfg(not(target_os="linux"))] pub fn id() -> String { let uid = uzers::get_current_uid(); let euid = uzers::get_effective_uid(); let gid = uzers::get_current_gid(); let egid = uzers::get_effective_gid(); format!( "uid={:?} euid={:?} gid={:?} egid={:?}", uid, euid, gid, egid, ) } fn apply_config(config: config::Config) -> Result<()> { debug!("got config: {:?}", config); let user = if let Some(user) = config.sandbox.user { let user = match uzers::get_user_by_name(&user) { Some(user) => user, None => bail!("Invalid sandbox user"), }; Some((user.uid(), user.primary_group_id())) } else { None }; let is_root = Uid::current().is_root(); match config.sandbox.chroot.as_ref() { Some(path) if is_root => { info!("starting chroot: {:?}", path); chroot(path)?; info!("successfully chrooted"); }, _ => (), } if is_root { match user { Some((uid, gid)) => { info!("id: {}", id()); info!("setting uid to {:?}", uid); // TODO: drop the condition after nix added getgroups/setgroups support to osx #[cfg(target_os="linux")] setgroups(&[])?; setgid(Gid::from_raw(gid))?; setuid(Uid::from_raw(uid))?; info!("id: {}", id()); }, None => { warn!("executing as root!"); }, } } else { info!("can't drop privileges, executing as {}", id()); } Ok(()) } pub fn activate_stage2(disable_seccomp: bool) -> Result<()> { let config = if let Some(config_path) = config::find() { config::load(&config_path)? } else { warn!("couldn't find config"); config::Config::default() }; apply_config(config)?; if !disable_seccomp { #[cfg(target_os="linux")] seccomp::activate_stage2()?; } info!("stage 2/2 is active"); Ok(()) } sniffglue-0.16.0/src/sandbox/seccomp.rs000064400000000000000000000230201046102023000161130ustar 00000000000000use crate::errors::*; use syscallz::{self, Context, Syscall, Action}; pub fn activate_stage1() -> Result<()> { let mut ctx = Context::init()?; ctx.allow_syscall(Syscall::futex)?; ctx.allow_syscall(Syscall::read)?; ctx.allow_syscall(Syscall::write)?; #[cfg(not(any( target_arch = "aarch64", target_arch = "riscv64", target_arch = "loongarch64" )))] ctx.allow_syscall(Syscall::open)?; ctx.allow_syscall(Syscall::close)?; #[cfg(not(any( target_arch = "aarch64", target_arch = "riscv64", target_arch = "loongarch64" )))] ctx.allow_syscall(Syscall::stat)?; #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::stat64)?; ctx.allow_syscall(Syscall::fstat)?; #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::fstat64)?; #[cfg(not(any( target_arch = "aarch64", target_arch = "riscv64", target_arch = "loongarch64" )))] ctx.allow_syscall(Syscall::lstat)?; #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::lstat64)?; ctx.allow_syscall(Syscall::statx)?; #[cfg(not(any( target_arch = "aarch64", target_arch = "riscv64", target_arch = "loongarch64" )))] ctx.allow_syscall(Syscall::poll)?; #[cfg(any( target_arch = "aarch64", target_arch = "riscv64", target_arch = "loongarch64" ))] ctx.allow_syscall(Syscall::ppoll)?; ctx.allow_syscall(Syscall::lseek)?; // needed for stage2 #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::_llseek)?; // needed for stage2 #[cfg(not(target_arch = "arm"))] ctx.allow_syscall(Syscall::mmap)?; #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::mmap2)?; ctx.allow_syscall(Syscall::mprotect)?; ctx.allow_syscall(Syscall::mremap)?; ctx.allow_syscall(Syscall::munmap)?; ctx.allow_syscall(Syscall::rt_sigprocmask)?; ctx.allow_syscall(Syscall::ioctl)?; ctx.allow_syscall(Syscall::readv)?; ctx.allow_syscall(Syscall::socket)?; ctx.allow_syscall(Syscall::connect)?; #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::send)?; ctx.allow_syscall(Syscall::sendto)?; #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::recv)?; ctx.allow_syscall(Syscall::recvfrom)?; ctx.allow_syscall(Syscall::sendmsg)?; ctx.allow_syscall(Syscall::recvmsg)?; ctx.allow_syscall(Syscall::bind)?; ctx.allow_syscall(Syscall::getsockname)?; ctx.allow_syscall(Syscall::setsockopt)?; ctx.allow_syscall(Syscall::getsockopt)?; ctx.allow_syscall(Syscall::clone)?; ctx.allow_syscall(Syscall::uname)?; ctx.allow_syscall(Syscall::fcntl)?; #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::fcntl64)?; #[cfg(not(any( target_arch = "aarch64", target_arch = "riscv64", target_arch = "loongarch64" )))] ctx.allow_syscall(Syscall::getdents)?; ctx.allow_syscall(Syscall::chdir)?; // needed for stage2 ctx.allow_syscall(Syscall::getuid)?; // needed for stage2 #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::getuid32)?; // needed for stage2 ctx.allow_syscall(Syscall::getgid)?; // needed for stage2 #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::getgid32)?; // needed for stage2 ctx.allow_syscall(Syscall::geteuid)?; #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::geteuid32)?; ctx.allow_syscall(Syscall::getegid)?; // needed for stage2 #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::getegid32)?; // needed for stage2 ctx.allow_syscall(Syscall::setuid)?; // needed for stage2 #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::setuid32)?; // needed for stage2 ctx.allow_syscall(Syscall::setgid)?; // needed for stage2 #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::setgid32)?; // needed for stage2 ctx.allow_syscall(Syscall::getgroups)?; // needed for stage2 #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::getgroups32)?; // needed for stage2 ctx.allow_syscall(Syscall::setgroups)?; // needed for stage2 #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::setgroups32)?; // needed for stage2 ctx.allow_syscall(Syscall::getresuid)?; #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::getresuid32)?; ctx.allow_syscall(Syscall::getresgid)?; #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::getresgid32)?; ctx.allow_syscall(Syscall::sigaltstack)?; ctx.allow_syscall(Syscall::prctl)?; // needed for stage2 ctx.allow_syscall(Syscall::chroot)?; // needed for stage2 ctx.allow_syscall(Syscall::sched_getaffinity)?; ctx.allow_syscall(Syscall::sched_yield)?; ctx.allow_syscall(Syscall::getdents64)?; ctx.allow_syscall(Syscall::clock_getres)?; ctx.allow_syscall(Syscall::exit)?; ctx.allow_syscall(Syscall::exit_group)?; ctx.allow_syscall(Syscall::set_robust_list)?; ctx.allow_syscall(Syscall::openat)?; #[cfg(any( target_arch = "x86_64", target_arch = "aarch64", target_arch = "riscv64", target_arch = "loongarch64" ))] ctx.allow_syscall(Syscall::newfstatat)?; ctx.allow_syscall(Syscall::seccomp)?; // needed for stage2 ctx.allow_syscall(Syscall::getrandom)?; #[cfg(not(any( target_arch = "aarch64", target_arch = "riscv64", target_arch = "loongarch64" )))] ctx.allow_syscall(Syscall::pipe)?; // used in libpcap ctx.allow_syscall(Syscall::wait4)?; ctx.allow_syscall(Syscall::clock_gettime)?; #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::clock_gettime64)?; #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::gettimeofday)?; ctx.allow_syscall(Syscall::brk)?; ctx.allow_syscall(Syscall::madvise)?; ctx.allow_syscall(Syscall::membarrier)?; #[cfg(not(any( target_arch = "aarch64", target_arch = "riscv64", target_arch = "loongarch64" )))] ctx.allow_syscall(Syscall::access)?; // needed for debian /etc/ld.so.nohwcap ctx.allow_syscall(Syscall::faccessat)?; // needed for debian /etc/ld.so.nohwcap ctx.allow_syscall(Syscall::eventfd2)?; ctx.allow_syscall(Syscall::restart_syscall)?; ctx.allow_syscall(Syscall::getpid)?; ctx.allow_syscall(Syscall::rt_sigaction)?; ctx.allow_syscall(Syscall::clone3)?; ctx.allow_syscall(Syscall::rseq)?; ctx.load()?; info!("stage 1/2 is active"); Ok(()) } pub fn activate_stage2() -> Result<()> { let mut ctx = Context::init()?; ctx.allow_syscall(Syscall::futex)?; ctx.allow_syscall(Syscall::read)?; ctx.allow_syscall(Syscall::write)?; // ctx.allow_syscall(Syscall::open)?; ctx.allow_syscall(Syscall::close)?; // ctx.allow_syscall(Syscall::stat)?; // ctx.allow_syscall(Syscall::fstat)?; // ctx.allow_syscall(Syscall::lstat)?; #[cfg(not(any( target_arch = "aarch64", target_arch = "riscv64", target_arch = "loongarch64" )))] ctx.allow_syscall(Syscall::poll)?; #[cfg(any( target_arch = "aarch64", target_arch = "riscv64", target_arch = "loongarch64" ))] ctx.allow_syscall(Syscall::ppoll)?; #[cfg(not(target_arch = "arm"))] ctx.allow_syscall(Syscall::mmap)?; #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::mmap2)?; ctx.allow_syscall(Syscall::mprotect)?; ctx.allow_syscall(Syscall::mremap)?; ctx.allow_syscall(Syscall::munmap)?; ctx.allow_syscall(Syscall::rt_sigprocmask)?; // ctx.allow_syscall(Syscall::ioctl)?; ctx.allow_syscall(Syscall::readv)?; // ctx.allow_syscall(Syscall::socket)?; // ctx.allow_syscall(Syscall::connect)?; // ctx.allow_syscall(Syscall::sendto)?; #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::recv)?; // ctx.allow_syscall(Syscall::recvfrom)?; // ctx.allow_syscall(Syscall::sendmsg)?; // ctx.allow_syscall(Syscall::recvmsg)?; // ctx.allow_syscall(Syscall::bind)?; ctx.allow_syscall(Syscall::getsockname)?; ctx.allow_syscall(Syscall::setsockopt)?; ctx.allow_syscall(Syscall::getsockopt)?; ctx.allow_syscall(Syscall::clone)?; // ctx.allow_syscall(Syscall::uname)?; // ctx.allow_syscall(Syscall::fcntl)?; // ctx.allow_syscall(Syscall::getdents)?; // ctx.allow_syscall(Syscall::geteuid)?; // ctx.allow_syscall(Syscall::getresuid)?; // ctx.allow_syscall(Syscall::getresgid)?; ctx.allow_syscall(Syscall::sigaltstack)?; ctx.allow_syscall(Syscall::sched_getaffinity)?; ctx.allow_syscall(Syscall::sched_yield)?; // ctx.allow_syscall(Syscall::clock_getres)?; ctx.allow_syscall(Syscall::exit)?; ctx.allow_syscall(Syscall::exit_group)?; ctx.allow_syscall(Syscall::set_robust_list)?; // ctx.allow_syscall(Syscall::openat)?; // ctx.allow_syscall(Syscall::getrandom)?; ctx.allow_syscall(Syscall::clock_gettime)?; #[cfg(target_arch = "arm")] ctx.allow_syscall(Syscall::clock_gettime64)?; ctx.allow_syscall(Syscall::brk)?; ctx.allow_syscall(Syscall::madvise)?; ctx.allow_syscall(Syscall::membarrier)?; ctx.allow_syscall(Syscall::restart_syscall)?; ctx.allow_syscall(Syscall::rt_sigaction)?; ctx.allow_syscall(Syscall::clone3)?; ctx.allow_syscall(Syscall::rseq)?; // /proc/sys/vm/overcommit_memory ctx.set_action_for_syscall(Action::Errno(1), Syscall::openat)?; #[cfg(not(any( target_arch = "x86_64", target_arch = "aarch64", target_arch = "riscv64", target_arch = "loongarch64" )))] ctx.set_action_for_syscall(Action::Errno(1), Syscall::open)?; ctx.load()?; info!("stage 2/2 is active"); Ok(()) } sniffglue-0.16.0/src/sniff.rs000064400000000000000000000061021046102023000141330ustar 00000000000000use crate::errors::*; use std::ffi::CString; use std::ffi::CStr; pub struct Cap { handle: *mut pcap_sys::pcap, } pub struct Config { pub promisc: bool, pub immediate_mode: bool, } pub fn open(dev: &str, config: &Config) -> Result { let mut errbuf = [0; pcap_sys::PCAP_ERRBUF_SIZE as usize]; let dev = CString::new(dev).unwrap(); let handle = unsafe { pcap_sys::pcap_create(dev.as_ptr(), errbuf.as_mut_ptr()) }; if handle.is_null() { let err = unsafe { CStr::from_ptr(errbuf.as_ptr()) }; bail!("Failed to open interface: {}", err.to_str()?); } if config.promisc { unsafe { pcap_sys::pcap_set_promisc(handle, 1) }; } if config.immediate_mode { unsafe { pcap_sys::pcap_set_immediate_mode(handle, 1) }; } let ret = unsafe { pcap_sys::pcap_activate(handle) }; if ret != 0 { let err = unsafe { pcap_sys::pcap_geterr(handle) }; let err = unsafe { CStr::from_ptr(err) }; bail!("Failed to activate interface: {}", err.to_str()?); } Ok(Cap { handle, }) } pub fn open_file(path: &str) -> Result { let mut errbuf = [0; pcap_sys::PCAP_ERRBUF_SIZE as usize]; let path = CString::new(path).unwrap(); let handle = unsafe { pcap_sys::pcap_open_offline(path.as_ptr(), errbuf.as_mut_ptr()) }; if handle.is_null() { let err = unsafe { CStr::from_ptr(errbuf.as_ptr()) }; bail!("Failed to open file: {}", err.to_str()?); } Ok(Cap { handle, }) } pub fn default_interface() -> Result { let mut errbuf = [0; pcap_sys::PCAP_ERRBUF_SIZE as usize]; let dev = unsafe { pcap_sys::pcap_lookupdev(errbuf.as_mut_ptr()) }; if dev.is_null() { let err = unsafe { CStr::from_ptr(errbuf.as_ptr()) }; bail!("Failed to find interface: {}", err.to_str()?); } let dev = unsafe { CStr::from_ptr(dev) }; Ok(dev.to_str()?.to_owned()) } impl Cap { pub fn datalink(&self) -> i32 { unsafe { pcap_sys::pcap_datalink(self.handle) } } pub fn next_pkt(&mut self) -> Result> { use std::mem::MaybeUninit; let mut header = MaybeUninit::<*mut pcap_sys::pcap_pkthdr>::uninit(); let mut packet = MaybeUninit::<*const libc::c_uchar>::uninit(); let retcode = unsafe { pcap_sys::pcap_next_ex(self.handle, header.as_mut_ptr(), packet.as_mut_ptr()) }; match retcode { i if i >= 1 => { let header = unsafe { header.assume_init() }; let packet = unsafe { packet.assume_init() }; use std::slice; let packet = unsafe { slice::from_raw_parts(packet, (*header).caplen as _) }; Ok(Some(Packet { data: packet.to_vec(), })) }, 0 => bail!("timeout expired"), -2 => Ok(None), _ => unreachable!(), } } } impl Drop for Cap { fn drop(&mut self) { unsafe { pcap_sys::pcap_close(self.handle) }; } } pub struct Packet { pub data: Vec, } unsafe impl Send for Cap {} sniffglue-0.16.0/src/structs/arp.rs000064400000000000000000000002331046102023000153160ustar 00000000000000use serde::Serialize; #[derive(Debug, PartialEq, Serialize)] pub enum ARP { Request(pktparse::arp::ArpPacket), Reply(pktparse::arp::ArpPacket), } sniffglue-0.16.0/src/structs/cjdns.rs000064400000000000000000000002431046102023000156360ustar 00000000000000use serde::Serialize; #[derive(Debug, PartialEq, Serialize)] pub struct CjdnsEthPkt { pub version: u16, pub password: Vec, pub pubkey: Vec, } sniffglue-0.16.0/src/structs/dhcp.rs000064400000000000000000000017261046102023000154620ustar 00000000000000use serde::Serialize; use std::net::Ipv4Addr; #[derive(Debug, PartialEq, Serialize)] pub enum DHCP { ACK(Packet), DECLINE(Packet), DISCOVER(Packet), INFORM(Packet), NAK(Packet), OFFER(Packet), RELEASE(Packet), REQUEST(Packet), UNKNOWN(Packet), } #[derive(Debug, PartialEq, Serialize)] pub struct Packet { pub ciaddr: Ipv4Addr, pub yiaddr: Ipv4Addr, pub siaddr: Ipv4Addr, pub chaddr: [u8; 6], pub hostname: Option, pub requested_ip_address: Option, pub router: Option>, pub domain_name_server: Option>, } impl Packet { pub fn new(ciaddr: Ipv4Addr, yiaddr: Ipv4Addr, siaddr: Ipv4Addr, chaddr: [u8; 6]) -> Packet { Packet { ciaddr, yiaddr, siaddr, chaddr, hostname: None, requested_ip_address: None, router: None, domain_name_server: None, } } } sniffglue-0.16.0/src/structs/dns.rs000064400000000000000000000055451046102023000153330ustar 00000000000000use serde::Serialize; use std::net::{Ipv4Addr, Ipv6Addr}; // https://github.com/tailhook/dns-parser/pull/34 #[derive(Debug, PartialEq, Serialize)] pub enum QueryType { A, NS, MF, CNAME, SOA, MB, MG, MR, NULL, WKS, PTR, HINFO, MINFO, MX, TXT, AAAA, SRV, AXFR, MAILB, MAILA, All, } impl From for QueryType { #[inline] fn from(qt: dns_parser::QueryType) -> QueryType { use dns_parser::QueryType::*; match qt { A => QueryType::A, NS => QueryType::NS, MF => QueryType::MF, CNAME => QueryType::CNAME, SOA => QueryType::SOA, MB => QueryType::MB, MG => QueryType::MG, MR => QueryType::MR, NULL => QueryType::NULL, WKS => QueryType::WKS, PTR => QueryType::PTR, HINFO => QueryType::HINFO, MINFO => QueryType::MINFO, MX => QueryType::MX, TXT => QueryType::TXT, AAAA => QueryType::AAAA, SRV => QueryType::SRV, AXFR => QueryType::AXFR, MAILB => QueryType::MAILB, MAILA => QueryType::MAILA, All => QueryType::All, } } } #[derive(Debug, PartialEq, Serialize)] pub enum DNS { Request(Request), Response(Response), } #[derive(Debug, PartialEq, Serialize)] pub struct Request { pub questions: Vec<(QueryType, String)>, } impl Request { pub fn new(questions: Vec<(QueryType, String)>) -> Request { Request { questions, } } pub fn wrap(self) -> DNS { DNS::Request(self) } } #[derive(Debug, PartialEq, Serialize)] pub struct Response { pub answers: Vec<(String, Record)>, } impl Response { pub fn new(answers: Vec<(String, Record)>) -> Response { Response { answers, } } pub fn wrap(self) -> DNS { DNS::Response(self) } } #[derive(Debug, PartialEq, Serialize)] pub enum Record { A(Ipv4Addr), AAAA(Ipv6Addr), CNAME(String), NS(String), PTR(String), TXT(String), Unknown, } impl<'a> From> for Record { fn from(rdata: dns_parser::RData) -> Record { use dns_parser::RData::*; match rdata { A(addr) => Record::A(addr.0), AAAA(addr) => Record::AAAA(addr.0), CNAME(name) => Record::CNAME(name.to_string()), NS(name) => Record::NS(name.to_string()), PTR(name) => Record::PTR(name.to_string()), TXT(data) => { let mut x = Vec::new(); for r in data.iter() { x.extend(r); } Record::TXT(String::from_utf8_lossy(&x).to_string()) }, _ => Record::Unknown, } } } sniffglue-0.16.0/src/structs/dropbox.rs000064400000000000000000000003671046102023000162210ustar 00000000000000use serde::{Serialize, Deserialize}; #[derive(Debug, PartialEq, Serialize, Deserialize)] pub struct DropboxBeacon { pub version: Vec, pub host_int: u128, pub namespaces: Vec, pub displayname: String, pub port: u16, } sniffglue-0.16.0/src/structs/ether.rs000064400000000000000000000013561046102023000156520ustar 00000000000000use crate::structs::arp; use crate::structs::ipv4; use crate::structs::ipv6; use crate::structs::cjdns; use crate::structs::NoiseLevel; use serde::Serialize; #[derive(Debug, PartialEq, Serialize)] pub enum Ether { Arp(arp::ARP), IPv4(pktparse::ipv4::IPv4Header, ipv4::IPv4), IPv6(pktparse::ipv6::IPv6Header, ipv6::IPv6), Cjdns(cjdns::CjdnsEthPkt), Unknown(Vec), } impl Ether { pub fn noise_level(&self) -> NoiseLevel { use self::Ether::*; match *self { Arp(_) => NoiseLevel::One, IPv4(_, ref ipv4) => ipv4.noise_level(), IPv6(_, ref ipv6) => ipv6.noise_level(), Cjdns(_) => NoiseLevel::Two, Unknown(_) => NoiseLevel::Maximum, } } } sniffglue-0.16.0/src/structs/http.rs000064400000000000000000000063361046102023000155250ustar 00000000000000use bstr::BString; use httparse::Header; use crate::structs::CentrifugeError; use serde::Serialize; use std::convert::TryFrom; use std::str; #[derive(Debug, PartialEq, Serialize)] pub enum Http { Request(Request), Response(Response), } #[derive(Debug, PartialEq, Serialize)] pub struct Request { pub method: String, pub path: String, pub version: u8, pub headers: Vec<(String, BString)>, pub host: Option, pub agent: Option, pub referer: Option, pub auth: Option, pub cookies: Option, pub body: Option, } #[derive(Debug, PartialEq, Serialize)] pub struct Response { pub code: u16, pub reason: String, pub version: u8, pub headers: Vec<(String, BString)>, pub body: Option, } fn append_if_header(mem: &mut Option, expected: &str, header: &Header) { if header.name.eq_ignore_ascii_case(expected) { if let Ok(value) = str::from_utf8(header.value) { let mem = mem.get_or_insert_with(String::new); if !mem.is_empty() { mem.push_str("; "); } mem.push_str(value); } } } impl TryFrom> for Request { type Error = CentrifugeError; fn try_from(req: httparse::Request) -> Result { let Some(method) = req.method else { return Err(CentrifugeError::InvalidPacket) }; let Some(path) = req.path else { return Err(CentrifugeError::InvalidPacket) }; let Some(version) = req.version else { return Err(CentrifugeError::InvalidPacket) }; let mut out = Request { method: method.to_string(), path: path.to_string(), version, headers: Vec::new(), host: None, agent: None, referer: None, auth: None, cookies: None, body: None, }; for header in req.headers { out.headers.push(( header.name.into(), header.value.into(), )); append_if_header(&mut out.host, "host", header); append_if_header(&mut out.agent, "user-agent", header); append_if_header(&mut out.referer, "referer", header); append_if_header(&mut out.auth, "authorization", header); append_if_header(&mut out.cookies, "cookie", header); } Ok(out) } } impl TryFrom> for Response { type Error = CentrifugeError; fn try_from(req: httparse::Response) -> Result { let Some(version) = req.version else { return Err(CentrifugeError::InvalidPacket) }; let Some(code) = req.code else { return Err(CentrifugeError::InvalidPacket) }; let Some(reason) = req.reason else { return Err(CentrifugeError::InvalidPacket) }; let mut out = Response { version, code, reason: reason.to_string(), headers: Vec::new(), body: None, }; for header in req.headers { out.headers.push(( header.name.into(), header.value.into(), )); } Ok(out) } } sniffglue-0.16.0/src/structs/icmp.rs000064400000000000000000000021561046102023000154720ustar 00000000000000use crate::structs::NoiseLevel; use pktparse::icmp::{IcmpHeader, IcmpCode}; use serde::Serialize; #[derive(Debug, PartialEq, Serialize)] pub struct ICMP { pub data: Vec, } impl ICMP { pub fn noise_level(&self, header: &IcmpHeader) -> NoiseLevel { match header.code { IcmpCode::EchoReply => NoiseLevel::One, /* IcmpCode::Reserved, IcmpCode::DestinationUnreachable(_) => IcmpCode::DestinationUnreachable(Unreachable), IcmpCode::SourceQuench, IcmpCode::Redirect(Redirect), */ IcmpCode::EchoRequest => NoiseLevel::One, /* IcmpCode::RouterAdvertisment, IcmpCode::RouterSolicication, IcmpCode::TimeExceeded(_) => NoiseLevel::One, IcmpCode::ParameterProblem(ParameterProblem), IcmpCode::Timestamp, IcmpCode::TimestampReply, IcmpCode::ExtendedEchoRequest, IcmpCode::ExtendedEchoReply(ExtendedEchoReply), IcmpCode::Other(u16) */ _ => NoiseLevel::Two, } } } sniffglue-0.16.0/src/structs/ip.rs000064400000000000000000000013101046102023000151410ustar 00000000000000use pktparse::{ipv4, ipv6}; use std::fmt::Display; use std::net::Ipv4Addr; pub trait IPHeader { type Addr: Display; fn source_addr(&self) -> Self::Addr; fn dest_addr(&self) -> Self::Addr; } impl IPHeader for ipv4::IPv4Header { type Addr = Ipv4Addr; #[inline] fn source_addr(&self) -> Self::Addr { self.source_addr } #[inline] fn dest_addr(&self) -> Self::Addr { self.dest_addr } } impl IPHeader for ipv6::IPv6Header { type Addr = String; #[inline] fn source_addr(&self) -> Self::Addr { format!("[{}]", self.source_addr) } #[inline] fn dest_addr(&self) -> Self::Addr { format!("[{}]", self.dest_addr) } } sniffglue-0.16.0/src/structs/ipv4.rs000064400000000000000000000012341046102023000154200ustar 00000000000000use crate::structs::{tcp, udp, icmp}; use crate::structs::NoiseLevel; use serde::Serialize; #[derive(Debug, PartialEq, Serialize)] pub enum IPv4 { TCP(pktparse::tcp::TcpHeader, tcp::TCP), UDP(pktparse::udp::UdpHeader, udp::UDP), ICMP(pktparse::icmp::IcmpHeader, icmp::ICMP), Unknown(Vec), } impl IPv4 { pub fn noise_level(&self) -> NoiseLevel { use self::IPv4::*; match *self { TCP(ref header, ref tcp) => tcp.noise_level(header), UDP(_, ref udp) => udp.noise_level(), ICMP(ref header, ref icmp) => icmp.noise_level(header), Unknown(_) => NoiseLevel::Maximum, } } } sniffglue-0.16.0/src/structs/ipv6.rs000064400000000000000000000010621046102023000154210ustar 00000000000000use crate::structs::tcp; use crate::structs::udp; use crate::structs::NoiseLevel; use serde::Serialize; #[derive(Debug, PartialEq, Serialize)] pub enum IPv6 { TCP(pktparse::tcp::TcpHeader, tcp::TCP), UDP(pktparse::udp::UdpHeader, udp::UDP), Unknown(Vec), } impl IPv6 { pub fn noise_level(&self) -> NoiseLevel { use self::IPv6::*; match *self { TCP(ref header, ref tcp) => tcp.noise_level(header), UDP(_, ref udp) => udp.noise_level(), Unknown(_) => NoiseLevel::Maximum, } } } sniffglue-0.16.0/src/structs/mod.rs000064400000000000000000000015511046102023000153170ustar 00000000000000#[derive(Debug, PartialEq)] pub enum CentrifugeError { WrongProtocol, ParsingError, UnknownProtocol, InvalidPacket, } /// `Zero` - This packet is very interesting /// `One` - This packet is somewhat interesting /// `Two` - Stuff you want to see if you're looking really hard /// `AlmostMaximum` - Some binary data /// `Maximum` - We couldn't parse this #[derive(Debug)] pub enum NoiseLevel { Zero = 0, One = 1, Two = 2, AlmostMaximum = 3, Maximum = 4, } impl NoiseLevel { pub fn into_u8(self) -> u8 { self as u8 } } pub mod raw; pub mod ether; pub mod arp; pub mod cjdns; pub mod icmp; pub mod ipv4; pub mod ipv6; pub mod ip; pub mod tcp; pub mod udp; pub mod tls; pub mod http; pub mod dhcp; pub mod dns; pub mod ssdp; pub mod dropbox; sniffglue-0.16.0/src/structs/raw.rs000064400000000000000000000011231046102023000153240ustar 00000000000000use crate::structs::ether; use crate::structs::NoiseLevel; use serde::Serialize; #[derive(Debug, PartialEq, Serialize)] pub enum Raw { Ether(pktparse::ethernet::EthernetFrame, ether::Ether), Tun(ether::Ether), Sll(ether::Ether), Unknown(Vec), } impl Raw { pub fn noise_level(&self) -> NoiseLevel { use self::Raw::*; match *self { Ether(_, ref ether) => ether.noise_level(), Tun(ref ether) => ether.noise_level(), Sll(ref ether) => ether.noise_level(), Unknown(_) => NoiseLevel::Maximum, } } } sniffglue-0.16.0/src/structs/ssdp.rs000064400000000000000000000002301046102023000155020ustar 00000000000000use serde::Serialize; #[derive(Debug, PartialEq, Serialize)] pub enum SSDP { Discover(Option), Notify(String), BTSearch(String), } sniffglue-0.16.0/src/structs/tcp.rs000064400000000000000000000017631046102023000153330ustar 00000000000000use crate::structs::tls; use crate::structs::http; use crate::structs::NoiseLevel; use serde::Serialize; #[derive(Debug, PartialEq, Serialize)] pub enum TCP { TLS(tls::TLS), HTTP(http::Http), Text(String), Binary(Vec), Empty, } impl TCP { pub fn noise_level(&self, header: &pktparse::tcp::TcpHeader) -> NoiseLevel { use self::TCP::*; if header.flag_rst || header.flag_syn || header.flag_fin { // control packet match *self { Text(_) => NoiseLevel::Two, Binary(_) => NoiseLevel::Two, Empty => NoiseLevel::Two, _ => NoiseLevel::Zero, } } else { // data packet match *self { Text(ref text) if text.len() <= 8 => NoiseLevel::AlmostMaximum, Binary(_) => NoiseLevel::AlmostMaximum, Empty => NoiseLevel::AlmostMaximum, _ => NoiseLevel::Zero, } } } } sniffglue-0.16.0/src/structs/tls.rs000064400000000000000000000031141046102023000153370ustar 00000000000000use data_encoding::BASE64; use serde::Serialize; use tls_parser::{TlsVersion, TlsClientHelloContents, TlsServerHelloContents}; #[derive(Debug, PartialEq, Serialize)] pub enum TLS { ClientHello(ClientHello), ServerHello(ServerHello), } fn tls_version(ver: TlsVersion) -> Option<&'static str> { match ver { TlsVersion::Ssl30 => Some("ssl3.0"), TlsVersion::Tls10 => Some("tls1.0"), TlsVersion::Tls11 => Some("tls1.1"), TlsVersion::Tls12 => Some("tls1.2"), TlsVersion::Tls13 => Some("tls1.3"), _ => None, } } #[derive(Debug, PartialEq, Serialize)] pub struct ClientHello { pub version: Option<&'static str>, pub session_id: Option, pub hostname: Option, } impl ClientHello { pub fn new(ch: &TlsClientHelloContents, hostname: Option) -> ClientHello { let session_id = ch.session_id.map(|id| BASE64.encode(id)); ClientHello { version: tls_version(ch.version), session_id, hostname, } } } #[derive(Debug, PartialEq, Serialize)] pub struct ServerHello { pub version: Option<&'static str>, pub session_id: Option, pub cipher: Option<&'static str>, } impl ServerHello { pub fn new(sh: &TlsServerHelloContents) -> ServerHello { let cipher = sh.cipher.get_ciphersuite() .map(|cs| cs.name); let session_id = sh.session_id.map(|id| BASE64.encode(id)); ServerHello { version: tls_version(sh.version), session_id, cipher, } } } sniffglue-0.16.0/src/structs/udp.rs000064400000000000000000000013411046102023000153250ustar 00000000000000use crate::structs::dns; use crate::structs::dhcp; use crate::structs::ssdp; use crate::structs::dropbox; use crate::structs::NoiseLevel; use serde::Serialize; #[derive(Debug, PartialEq, Serialize)] pub enum UDP { DHCP(dhcp::DHCP), DNS(dns::DNS), SSDP(ssdp::SSDP), Dropbox(dropbox::DropboxBeacon), Text(String), Binary(Vec), } impl UDP { pub fn noise_level(&self) -> NoiseLevel { use self::UDP::*; match *self { DHCP(_) => NoiseLevel::Zero, DNS(_) => NoiseLevel::Zero, SSDP(_) => NoiseLevel::Two, Dropbox(_) => NoiseLevel::Two, Text(_) => NoiseLevel::Two, Binary(_) => NoiseLevel::AlmostMaximum, } } }