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Merge pull request #7 from leshow/bootp
add bootp BOOTREQ
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,163 @@ | ||
| use std::net::Ipv4Addr; | ||
|
|
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| use argh::FromArgs; | ||
| use dhcproto::v4; | ||
| use mac_address::MacAddress; | ||
|
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| use crate::opts::{self, parse_mac, parse_opts}; | ||
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| #[derive(FromArgs, PartialEq, Eq, Debug, Clone)] | ||
| /// Send a DISCOVER msg | ||
| #[argh(subcommand, name = "bootreq")] | ||
| pub struct BootReqArgs { | ||
| /// supply a mac address for DHCPv4 (use "random" for a random mac) [default: first interface mac] | ||
| #[argh( | ||
| option, | ||
| short = 'c', | ||
| from_str_fn(parse_mac), | ||
| default = "opts::get_mac()" | ||
| )] | ||
| pub chaddr: MacAddress, | ||
| /// address of client [default: None] | ||
| #[argh(option, default = "Ipv4Addr::UNSPECIFIED")] | ||
| pub ciaddr: Ipv4Addr, | ||
| /// giaddr [default: 0.0.0.0] | ||
| #[argh(option, short = 'g', default = "Ipv4Addr::UNSPECIFIED")] | ||
| pub giaddr: Ipv4Addr, | ||
| /// fname [default: None] | ||
| #[argh(option)] | ||
| pub fname: Option<String>, | ||
| /// sname [default: None] | ||
| #[argh(option)] | ||
| pub sname: Option<String>, | ||
| /// add opts to the message | ||
| /// [ex: these are equivalent- "118,hex,C0A80001" or "118,ip,192.168.0.1"] | ||
| #[argh(option, short = 'o', from_str_fn(parse_opts))] | ||
| pub opt: Vec<v4::DhcpOption>, | ||
| } | ||
|
|
||
| impl Default for BootReqArgs { | ||
| fn default() -> Self { | ||
| Self { | ||
| chaddr: opts::get_mac(), | ||
| ciaddr: Ipv4Addr::UNSPECIFIED, | ||
| giaddr: Ipv4Addr::UNSPECIFIED, | ||
| opt: Vec::new(), | ||
| fname: None, | ||
| sname: None, | ||
| } | ||
| } | ||
| } | ||
|
|
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| impl BootReqArgs { | ||
| pub fn build(&self, broadcast: bool) -> v4::Message { | ||
| let mut msg = v4::Message::new( | ||
| self.ciaddr, | ||
| Ipv4Addr::UNSPECIFIED, | ||
| Ipv4Addr::UNSPECIFIED, | ||
| self.giaddr, | ||
| &self.chaddr.bytes(), | ||
| ); | ||
|
|
||
| if broadcast { | ||
| msg.set_flags(v4::Flags::default().set_broadcast()); | ||
| } | ||
|
|
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| if let Some(fname) = &self.fname { | ||
| msg.set_fname_str(fname); | ||
| } | ||
|
|
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| if let Some(sname) = &self.sname { | ||
| msg.set_sname_str(sname); | ||
| } | ||
|
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||
| // insert manually entered opts | ||
| for opt in &self.opt { | ||
| msg.opts_mut().insert(opt.clone()); | ||
| } | ||
|
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| msg | ||
| } | ||
| } | ||
|
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| #[cfg(feature = "script")] | ||
| use rhai::{plugin::*, EvalAltResult}; | ||
|
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||
| // exposing DiscoverArgs | ||
| #[cfg(feature = "script")] | ||
| #[export_module] | ||
| pub mod bootreq_mod { | ||
| use tracing::trace; | ||
| #[rhai_fn()] | ||
| pub fn args_default() -> BootReqArgs { | ||
| BootReqArgs::default() | ||
| } | ||
| #[rhai_fn(global, name = "to_string", name = "to_debug", pure)] | ||
| pub fn to_string(args: &mut BootReqArgs) -> String { | ||
| format!("{:?}", args) | ||
| } | ||
| // ciaddr | ||
| #[rhai_fn(global, get = "ciaddr", pure)] | ||
| pub fn get_ciaddr(args: &mut BootReqArgs) -> String { | ||
| args.ciaddr.to_string() | ||
| } | ||
| #[rhai_fn(global, set = "ciaddr")] | ||
| pub fn set_ciaddr(args: &mut BootReqArgs, ciaddr: &str) { | ||
| trace!(?ciaddr, "setting ciaddr"); | ||
| args.ciaddr = ciaddr.parse::<Ipv4Addr>().expect("failed to parse ciaddr"); | ||
| } | ||
| // giaddr | ||
| #[rhai_fn(global, get = "giaddr", pure)] | ||
| pub fn get_giaddr(args: &mut BootReqArgs) -> String { | ||
| args.giaddr.to_string() | ||
| } | ||
| #[rhai_fn(global, set = "giaddr")] | ||
| pub fn set_giaddr(args: &mut BootReqArgs, giaddr: &str) { | ||
| trace!(?giaddr, "setting giaddr"); | ||
| args.giaddr = giaddr.parse::<Ipv4Addr>().expect("failed to parse giaddr"); | ||
| } | ||
| // chaddr | ||
| #[rhai_fn(global, get = "chaddr", pure)] | ||
| pub fn get_chaddr(args: &mut BootReqArgs) -> rhai::Blob { | ||
| args.chaddr.bytes().to_vec() | ||
| } | ||
| #[rhai_fn(global, set = "chaddr")] | ||
| pub fn set_chaddr(args: &mut BootReqArgs, chaddr: rhai::Blob) { | ||
| trace!(?chaddr, "setting chaddr"); | ||
| let bytes: [u8; 6] = chaddr.try_into().expect("failed to convert macaddress"); | ||
| args.chaddr = bytes.into(); | ||
| } | ||
| // fname | ||
| #[rhai_fn(global, get = "fname", pure)] | ||
| pub fn get_fname(args: &mut BootReqArgs) -> Option<String> { | ||
| args.fname.clone() | ||
| } | ||
| #[rhai_fn(global, set = "fname")] | ||
| pub fn set_fname(args: &mut BootReqArgs, fname: String) { | ||
| trace!(?fname, "setting fname"); | ||
| args.fname = Some(fname); | ||
| } | ||
| // sname | ||
| #[rhai_fn(global, get = "sname", pure)] | ||
| pub fn get_sname(args: &mut BootReqArgs) -> Option<String> { | ||
| args.sname.clone() | ||
| } | ||
| #[rhai_fn(global, set = "sname")] | ||
| pub fn set_sname(args: &mut BootReqArgs, sname: String) { | ||
| trace!(?sname, "setting sname"); | ||
| args.sname = Some(sname); | ||
| } | ||
| #[rhai_fn(global, name = "rand_chaddr")] | ||
| pub fn rand_chaddr(args: &mut BootReqArgs) { | ||
| let chaddr = rand::random::<[u8; 6]>().into(); | ||
| trace!(?chaddr, "setting random chaddr"); | ||
| args.chaddr = chaddr; | ||
| } | ||
| // opt | ||
| #[rhai_fn(global, set = "opt")] | ||
| pub fn set_opt(args: &mut BootReqArgs, opt: String) { | ||
| trace!(?opt, "adding opt to message"); | ||
| args.opt | ||
| .push(crate::opts::parse_opts(&opt).expect("failed to parse opt")); | ||
| } | ||
| } |
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