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comparison src/constants.rs @ 103:dfcd96a74ac4 default tip

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write a truly prodigious amount of documentation adds a bunch of links to the OpenPAM man pages and the XSSO spec as well as just a bunch of prose and stuff.
author Paul Fisher <paul@pfish.zone>
date Wed, 25 Jun 2025 00:59:24 -0400
parents efe2f5f8b5b2
children
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102:94eb11cb1798 103:dfcd96a74ac4
4 // between Linux-PAM and OpenPAM header files. 4 // between Linux-PAM and OpenPAM header files.
5 #![allow(clippy::unnecessary_cast)] 5 #![allow(clippy::unnecessary_cast)]
6 6
7 #[cfg(feature = "link")] 7 #[cfg(feature = "link")]
8 use crate::libpam::pam_ffi; 8 use crate::libpam::pam_ffi;
9 use crate::{_linklist, _man7, _manbsd, _xsso};
9 use bitflags::bitflags; 10 use bitflags::bitflags;
10 use libc::c_int; 11 use libc::c_int;
11 use num_enum::{IntoPrimitive, TryFromPrimitive}; 12 use num_enum::{IntoPrimitive, TryFromPrimitive};
12 use std::error::Error; 13 use std::error::Error;
13 use std::ffi::c_uint; 14 use std::ffi::c_uint;
143 /// This flag is only used by `change_authtok`. 144 /// This flag is only used by `change_authtok`.
144 const UPDATE_AUTHTOK = pam_ffi::PAM_UPDATE_AUTHTOK as u32; 145 const UPDATE_AUTHTOK = pam_ffi::PAM_UPDATE_AUTHTOK as u32;
145 } 146 }
146 } 147 }
147 148
148 /// The Linux-PAM error return values. Success is an Ok [Result]. 149 /// The PAM error return codes.
149 /// 150 ///
150 /// Most abbreviations (except `AuthTok` and `Max`) are now full words. 151 /// These are returned by most PAM functions if an error of some kind occurs.
151 /// For more detailed information, see 152 ///
152 /// `/usr/include/security/_pam_types.h`. 153 /// Instead of being an error code, success is represented by an Ok [`Result`].
154 ///
155 /// # References
156 ///
157 #[doc = _linklist!(pam: man7, manbsd)]
158 /// - [X/SSO error code specification][xsso]
159 ///
160 #[doc = _man7!(3 pam "RETURN_VALUES")]
161 #[doc = _manbsd!(3 pam "RETURN%20VALUES")]
162 #[doc = _xsso!("chap5.htm#tagcjh_06_02")]
153 #[allow(non_camel_case_types, dead_code)] 163 #[allow(non_camel_case_types, dead_code)]
154 #[derive(Copy, Clone, Debug, PartialEq, TryFromPrimitive, IntoPrimitive)] 164 #[derive(Copy, Clone, Debug, PartialEq, TryFromPrimitive, IntoPrimitive)]
155 #[non_exhaustive] // C might give us anything! 165 #[non_exhaustive] // C might give us anything!
156 #[repr(u32)] 166 #[repr(u32)]
157 pub enum ErrorCode { 167 pub enum ErrorCode {
226 fn fmt_internal(self, f: &mut Formatter<'_>) -> fmt::Result { 236 fn fmt_internal(self, f: &mut Formatter<'_>) -> fmt::Result {
227 write!(f, "PAM error: {self:?} ({n})", n = self as c_uint) 237 write!(f, "PAM error: {self:?} ({n})", n = self as c_uint)
228 } 238 }
229 } 239 }
230 240
231 /// Returned when text that should not have any `\0` bytes in it does.
232 /// Analogous to [`std::ffi::NulError`], but the data it was created from
233 /// is borrowed.
234 #[cfg(test)] 241 #[cfg(test)]
235 mod tests { 242 mod tests {
236 use super::*; 243 use super::*;
237 244
238 #[test] 245 #[test]