Mercurial > crates > nonstick

comparison src/libpam/pam_ffi.rs @ 113:178310336596

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix up more constants, make things i32 rather than u32.
author Paul Fisher <paul@pfish.zone>
date Sun, 29 Jun 2025 03:11:33 -0400
parents e97534be35e3
children
comparison
equal deleted inserted replaced
112:82995b4dccee 113:178310336596
1 //! The types that are directly represented in PAM function signatures. 1 //! The types that are directly represented in PAM function signatures.
2 2
3 #![allow(non_camel_case_types, non_upper_case_globals)] 3 #![allow(non_camel_case_types, non_upper_case_globals)]
4 4
5 use crate::libpam::memory::{CHeapBox, Immovable}; 5 use crate::libpam::memory::{CHeapBox, Immovable};
6 use std::ffi::{c_int, c_uint, c_void, CStr}; 6 use std::ffi::{c_int, c_void, CStr};
7 use std::marker::PhantomData; 7 use std::marker::PhantomData;
8 use std::ptr; 8 use std::ptr;
9 9
10 /// An opaque structure that a PAM handle points to. 10 /// An opaque structure that a PAM handle points to.
11 #[repr(C)] 11 #[repr(C)]
49 /// (either the module or PAM itself). 49 /// (either the module or PAM itself).
50 #[repr(C)] 50 #[repr(C)]
51 #[derive(Debug)] 51 #[derive(Debug)]
52 pub struct Question { 52 pub struct Question {
53 /// The style of message to request. 53 /// The style of message to request.
54 pub style: c_uint, 54 pub style: c_int,
55 /// A description of the data requested. 55 /// A description of the data requested.
56 /// 56 ///
57 /// For most requests, this will be an owned [`CStr`], 57 /// For most requests, this will be an owned [`CStr`],
58 /// but for requests with style `PAM_BINARY_PROMPT`, 58 /// but for requests with style `PAM_BINARY_PROMPT`,
59 /// this will be `CBinaryData` (a Linux-PAM extension). 59 /// this will be `CBinaryData` (a Linux-PAM extension).
90 /// that was passed in. 90 /// that was passed in.
91 pub life: PhantomData<&'a mut ()>, 91 pub life: PhantomData<&'a mut ()>,
92 } 92 }
93 93
94 /// Gets a string version of an error message. 94 /// Gets a string version of an error message.
95 pub fn strerror(code: c_uint) -> Option<&'static str> { 95 pub fn strerror(code: c_int) -> Option<&'static str> {
96 // SAFETY: Every single PAM implementation I can find (Linux-PAM, OpenPAM, 96 // SAFETY: Every single PAM implementation I can find (Linux-PAM, OpenPAM,
97 // Solaris, etc.) returns a static string and ignores the handle value. 97 // Sun, etc.) returns a static string and ignores the handle value.
98 let strerror = unsafe { pam_strerror(ptr::null_mut(), code as c_int) }; 98 let strerror = unsafe { pam_strerror(ptr::null_mut(), code as c_int) };
99 if strerror.is_null() { 99 if strerror.is_null() {
100 None 100 None
101 } else { 101 } else {
102 unsafe { CStr::from_ptr(strerror) }.to_str().ok() 102 unsafe { CStr::from_ptr(strerror) }.to_str().ok()