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annotate pam-http/src/lib.rs @ 36:d1f0c1cf3c6e

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author Nigma <magnusgsvend@gmail.com>
date Sun, 24 Jul 2022 02:05:30 +0200
parents ec70822cbdef
children
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1 extern crate pam;
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2 extern crate reqwest;
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3
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4 use pam::constants::{PamFlag, PamResultCode, PAM_PROMPT_ECHO_OFF};
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5 use pam::conv::Conv;
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6 use pam::module::{PamHandle, PamHooks};
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7 use reqwest::blocking::Client;
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8 use reqwest::StatusCode;
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9 use std::collections::HashMap;
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10 use std::ffi::CStr;
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11 use std::time::Duration;
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12 use pam::pam_try;
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14 struct PamHttp;
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15 pam::pam_hooks!(PamHttp);
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17 impl PamHooks for PamHttp {
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18 // This function performs the task of authenticating the user.
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19 fn sm_authenticate(pamh: &mut PamHandle, args: Vec<&CStr>, _flags: PamFlag) -> PamResultCode {
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20 println!("Let's auth over HTTP");
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22 let args: Vec<_> = args
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23 .iter()
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24 .map(|s| s.to_string_lossy())
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25 .collect();
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26 let args: HashMap<&str, &str> = args
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27 .iter()
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28 .map(|s| {
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29 let mut parts = s.splitn(2, '=');
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30 (parts.next().unwrap(), parts.next().unwrap_or(""))
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31 })
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32 .collect();
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34 let user = pam_try!(pamh.get_user(None));
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36 let url: &str = match args.get("url") {
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37 Some(url) => url,
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38 None => return PamResultCode::PAM_AUTH_ERR,
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39 };
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41 let conv = match pamh.get_item::<Conv>() {
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42 Ok(Some(conv)) => conv,
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43 Ok(None) => {
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44 unreachable!("No conv available");
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45 }
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46 Err(err) => {
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47 println!("Couldn't get pam_conv");
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48 return err;
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49 }
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50 };
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51 let password = pam_try!(conv.send(PAM_PROMPT_ECHO_OFF, "Word, yo: "));
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52 let password = match password {
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53 Some(password) => Some(pam_try!(password.to_str(), PamResultCode::PAM_AUTH_ERR)),
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54 None => None,
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55 };
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56 println!("Got a password {:?}", password);
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57 let status = pam_try!(
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58 get_url(url, &user, password),
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59 PamResultCode::PAM_AUTH_ERR
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60 );
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62 if !status.is_success() {
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63 println!("HTTP Error: {}", status);
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64 return PamResultCode::PAM_AUTH_ERR;
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65 }
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67 PamResultCode::PAM_SUCCESS
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68 }
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70 fn sm_setcred(_pamh: &mut PamHandle, _args: Vec<&CStr>, _flags: PamFlag) -> PamResultCode {
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71 println!("set credentials");
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72 PamResultCode::PAM_SUCCESS
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73 }
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75 fn acct_mgmt(_pamh: &mut PamHandle, _args: Vec<&CStr>, _flags: PamFlag) -> PamResultCode {
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76 println!("account management");
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77 PamResultCode::PAM_SUCCESS
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78 }
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79 }
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81 fn get_url(url: &str, user: &str, password: Option<&str>) -> reqwest::Result<StatusCode> {
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82 let client = Client::builder().timeout(Duration::from_secs(15)).build()?;
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83 client
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84 .get(url)
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85 .basic_auth(user, password)
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86 .send()
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87 .map(|r| r.status())
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88 }