pinoc 0.3.6

A CLI tool for setting up pinocchio program project
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57

use crate::check::contract::{Backend, Category, Confidence, Finding, Lint, Severity};
use crate::check::facts::{Handler, Validation};

/// An account checked against a stored authority id but never verified as a
/// signer, so anyone can act as that authority by passing its public address.
pub struct Acc002Signer;

impl Lint for Acc002Signer {
    fn code(&self) -> &'static str {
        "ACC002-P"
    }
    fn id(&self) -> &'static str {
        "missing-signer"
    }
    fn category(&self) -> Category {
        Category::Acc
    }
    fn backend(&self) -> Backend {
        Backend::Syn
    }
    fn default_severity(&self) -> Severity {
        Severity::Warn
    }
    fn default_confidence(&self) -> Confidence {
        Confidence::Likely
    }

    fn run_handlers(&self, handlers: &[Handler]) -> Vec<Finding> {
        let mut out = Vec::new();
        for handler in handlers {
            for b in &handler.bindings {
                let Some(site) = &b.authority_site else {
                    continue;
                };
                if b.delegated || b.validations.contains(&Validation::Signer) {
                    continue;
                }
                out.push(Finding {
                    code: self.code(),
                    id: self.id(),
                    confidence: self.default_confidence(),
                    severity: self.default_severity(),
                    span: site.to_span(),
                    evidence: format!(
                        "account `{}` is checked against a stored authority but never verified as a signer; anyone can pass this address without signing",
                        b.name
                    ),
                    fix: Some(format!(
                        "require `{}.is_signer()` before trusting it as the authority",
                        b.name
                    )),
                });
            }
        }
        out
    }
}