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annotate src/lib.rs @ 71:58f9d2a4df38

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Reorganize everything again??? - Splits ffi/memory stuff into a bunch of stuff in the pam_ffi module. - Builds infrastructure for passing Messages and Responses. - Adds tests for some things at least.
author Paul Fisher <paul@pfish.zone>
date Tue, 03 Jun 2025 21:54:58 -0400
parents 9f8381a1c09c
children 47eb242a4f88
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1 //! A safe, nonstick interface to PAM.
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2 //!
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3 //! This implements a type-safe library to interact with PAM.
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4 //! Currently, it implements a subset of PAM useful for implementing a module.
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5 //!
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6 //! To write a new PAM module using this crate:
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7 //!
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8 //! 1. Create a `dylib` crate.
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9 //! 2. Implement a subset of the functions in the [`PamModule`] trait
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10 //! corresponding to what you want your module to do.
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11 //! In the simplest case (for a new password-based authenticator),
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12 //! this will be the [`PamModule::authenticate`] function.
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13 //! 3. Export your PAM module using the [`pam_hooks!`] macro.
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14 //! 4. Build and install the dynamic library.
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15 //! This usually entails placing it at
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16 //! <code>/usr/lib/security/pam_<var>your_module</var>.so</code>,
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17 //! or maybe
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18 //! <code>/usr/lib/<var>your-architecture</var>/security/pam_<var>your_module</var>.so</code>.
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19 //!
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20 //! For general information on writing PAM modules, see
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21 //! [The Linux-PAM Module Writers' Guide][module-guide]
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22 //!
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23 //! [module-guide]: https://www.chiark.greenend.org.uk/doc/libpam-doc/html/Linux-PAM_MWG.html
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25 pub mod constants;
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26 pub mod conv;
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27 pub mod items;
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28 pub mod module;
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30 mod handle;
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31 mod pam_ffi;
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33 #[doc(inline)]
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34 pub use crate::{
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35 constants::{ErrorCode, Flags, Result},
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36 handle::{LibPamHandle, PamApplicationHandle, PamHandle, PamModuleHandle},
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37 module::PamModule,
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38 };