town
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usersjson
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eeeeeta 2018-06-14 16:18:17 +01:00
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/target
**/*.rs.bk

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name = "arrayref"
version = "0.3.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "better-users"
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[package]
authors = ["eeeeeta <eeeeeta@users.noreply.github.com>"]
name = "better-users"
version = "0.1.0"
license = "MIT"
[dependencies]
csv = "1.0.0"
regex = "1.0.0"
serde = "1.0.66"
serde_derive = "1.0.66"
serde_json = "1.0.20"
sha2 = "0.7.1"

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LICENSE Normal file
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Copyright (c) 2018 η (eta) <https://theta.eu.org/>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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tilde.town users.json generator
===============================
This is a more modern version of the users.py script from [tildetown_ring](https://github.com/aBathologist/tildetown_ring),
made for the [tilde.town](https://tilde.town/) intentional digital community.
If you don't know what tilde.town is, this isn't very interesting to you.
If you do, check out [the users.json file](http://tilde.town/~eeeeeta/users.json)
that this thing makes!

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src/main.rs Normal file
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extern crate csv;
extern crate serde;
#[macro_use] extern crate serde_derive;
extern crate serde_json;
extern crate regex;
extern crate sha2;
use csv::ReaderBuilder;
use std::collections::HashMap;
use regex::Regex;
use std::fs::{self, File};
use std::io::Write;
use sha2::{Sha256, Digest};
use std::time::UNIX_EPOCH;
#[derive(Serialize, Debug)]
pub struct UsersEntry {
homepage: String,
modtime: u64,
edited: usize,
ringmember: usize
}
#[derive(Deserialize, Debug)]
pub struct PasswdLine {
username: String,
passwd: String,
uid: u32,
gid: u32,
gecos: String,
home: String,
interp: String
}
pub static TILDE_URL: &str = "https://tilde.town/~";
fn main() {
println!("[+] eta's users.json generator");
let output = ::std::env::args().nth(1)
.expect("please provide an output filename as the 1st argument");
println!("[+] outputting to {}", output);
println!("[+] reading /etc/login.defs");
let defs = fs::read_to_string("/etc/login.defs")
.expect("reading /etc/login.defs");
let re_uid_min = Regex::new(r"UID_MIN\s+(\d*)").unwrap();
let re_uid_max = Regex::new(r"UID_MAX\s+(\d*)").unwrap();
let uid_min: u32 = re_uid_min.captures(&defs).unwrap()[1].parse().unwrap();
let uid_max: u32 = re_uid_max.captures(&defs).unwrap()[1].parse().unwrap();
println!("[+] UID range: {}-{}", uid_min, uid_max);
println!("[+] reading /etc/skel/public_html/index.html");
let mut hasher = Sha256::default();
let def_html = fs::read_to_string("/etc/skel/public_html/index.html")
.expect("reading default html");
hasher.input(def_html.as_bytes());
let hash = hasher.result();
println!("[+] reading /etc/passwd");
let mut rdr = ReaderBuilder::new()
.delimiter(b':')
.has_headers(false)
.from_path("/etc/passwd")
.expect("reading /etc/passwd");
let mut ret: HashMap<String, UsersEntry> = HashMap::new();
for rec in rdr.deserialize() {
let rec: PasswdLine = rec.expect("parsing passwd line");
println!("[+] processing user {}", rec.username);
if rec.uid > uid_max || rec.uid < uid_min {
println!("[*] system user, skipping");
continue;
}
if rec.passwd == "" {
println!("[*] user disabled, skipping");
continue;
}
let path = format!("/home/{}/public_html/index.html", rec.username);
match fs::metadata(&path) {
Ok(m) => {
match fs::read_to_string(&path) {
Ok(h) => {
let mut hasher = Sha256::default();
hasher.input(h.as_bytes());
let edited = if hasher.result() == hash {
0
}
else {
1
};
let ringmember = if h.find("id=\"tilde_town_ring\"").is_some() {
1
}
else {
0
};
let modified = m.modified().unwrap();
let modtime = match modified.duration_since(UNIX_EPOCH) {
Ok(t) => t.as_secs(),
Err(_) => 0
};
ret.insert(rec.username.clone(), UsersEntry {
homepage: format!("{}{}", TILDE_URL, rec.username),
edited,
ringmember,
modtime
});
},
Err(e) => {
println!("[*] couldn't read {}, skipping: {}", path, e);
continue;
}
}
},
Err(e) => {
println!("[*] couldn't get metadata for {}, skipping: {}", path, e);
continue;
}
}
}
println!("[+] writing json");
let json = serde_json::to_string_pretty(&ret).expect("serializing");
let mut file = File::create(output)
.expect("creating output file");
file.write_all(json.as_bytes())
.expect("writing to output file");
println!("[+] done!");
}