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Add optional IP packet capture for WireGuard tunnel

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This commit is contained in:
Aram 🍐 2022-01-08 16:05:14 -05:00
parent 953bc18279
commit ff0f5b967e
5 changed files with 141 additions and 1 deletions
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10
src/config.rs
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@ -20,6 +20,7 @@ pub struct Config {
pub(crate) max_transmission_unit: usize,
pub(crate) log: String,
pub(crate) warnings: Vec<String>,
pub(crate) pcap_file: Option<String>,
}
impl Config {
@ -96,7 +97,13 @@ impl Config {
.long("log")
.env("ONETUN_LOG")
.default_value("info")
.help("Configures the log level and format.")
.help("Configures the log level and format."),
Arg::with_name("pcap")
.required(false)
.takes_value(true)
.long("pcap")
.env("ONETUN_PCAP")
.help("Decrypts and captures IP packets on the WireGuard tunnel to a given output file.")
]).get_matches();
// Combine `PORT_FORWARD` arg and `ONETUN_PORT_FORWARD_#` envs
@ -174,6 +181,7 @@ impl Config {
max_transmission_unit: parse_mtu(matches.value_of("max-transmission-unit"))
.with_context(|| "Invalid max-transmission-unit value")?,
log: matches.value_of("log").unwrap_or_default().into(),
pcap_file: matches.value_of("pcap").map(String::from),
warnings,
})
}