crates/nonstick: libpam-sys/libpam-sys-helpers/src/memory.rs annotate

annotate libpam-sys/libpam-sys-helpers/src/memory.rs @ 137:88627c057709 default tip

Add Sun PAM functions from Illumos headers.

author	Paul Fisher <paul@pfish.zone>
date	Thu, 03 Jul 2025 17:33:13 -0400
parents	efbc235f01d3
children

rev	line source
136 efbc235f01d3 Separate libpam-sys-helpers from libpam-sys. Paul Fisher <paul@pfish.zone> parents: 134 diff changeset	1 //! Helpers to deal with annoying memory management in the PAM API.
efbc235f01d3 Separate libpam-sys-helpers from libpam-sys. Paul Fisher <paul@pfish.zone> parents: 134 diff changeset	2 //!
efbc235f01d3 Separate libpam-sys-helpers from libpam-sys. Paul Fisher <paul@pfish.zone> parents: 134 diff changeset	3 //!
118 39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	4
110 2346fd501b7a Add tests for constants and do other macro niceties. Paul Fisher <paul@pfish.zone> parents: 109 diff changeset	5 use std::error::Error;
118 39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	6 use std::marker::{PhantomData, PhantomPinned};
110 2346fd501b7a Add tests for constants and do other macro niceties. Paul Fisher <paul@pfish.zone> parents: 109 diff changeset	7 use std::mem::ManuallyDrop;
109 bb465393621f Minor cleanup and reorg. Paul Fisher <paul@pfish.zone> parents: 106 diff changeset	8 use std::ptr::NonNull;
119 476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	9 use std::{any, fmt, mem, slice};
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	10
136 efbc235f01d3 Separate libpam-sys-helpers from libpam-sys. Paul Fisher <paul@pfish.zone> parents: 134 diff changeset	11 /// A pointer-to-pointer-to-message container for PAM's conversation callback.
119 476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	12 ///
136 efbc235f01d3 Separate libpam-sys-helpers from libpam-sys. Paul Fisher <paul@pfish.zone> parents: 134 diff changeset	13 /// The PAM conversation callback requires a pointer to a pointer of
efbc235f01d3 Separate libpam-sys-helpers from libpam-sys. Paul Fisher <paul@pfish.zone> parents: 134 diff changeset	14 /// `pam_message`s. Linux-PAM handles this differently than all other
efbc235f01d3 Separate libpam-sys-helpers from libpam-sys. Paul Fisher <paul@pfish.zone> parents: 134 diff changeset	15 /// PAM implementations (including the X/SSO PAM standard).
119 476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	16 ///
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	17 /// X/SSO appears to specify a pointer-to-pointer-to-array:
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	18 ///
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	19 /// ```text
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	20 /// points to ┌────────────┐ ╔═ Message[] ═╗
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	21 /// messages ┄┄┄┄┄┄┄┄┄┄> │ *messages ┄┼┄┄┄┄┄> ║ style ║
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	22 /// └────────────┘ ║ data ┄┄┄┄┄┄┄╫┄┄> ...
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	23 /// ╟─────────────╢
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	24 /// ║ style ║
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	25 /// ║ data ┄┄┄┄┄┄┄╫┄┄> ...
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	26 /// ╟─────────────╢
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	27 /// ║ ... ║
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	28 /// ```
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	29 ///
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	30 /// whereas Linux-PAM uses an `**argv`-style pointer-to-array-of-pointers:
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	31 ///
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	32 /// ```text
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	33 /// points to ┌──────────────┐ ╔═ Message ═╗
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	34 /// messages ┄┄┄┄┄┄┄┄┄┄> │ messages[0] ┄┼┄┄┄┄> ║ style ║
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	35 /// │ messages[1] ┄┼┄┄┄╮ ║ data ┄┄┄┄┄╫┄┄> ...
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	36 /// │ ... │ ┆ ╚═══════════╝
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	37 /// ┆
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	38 /// ┆ ╔═ Message ═╗
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	39 /// ╰┄┄> ║ style ║
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	40 /// ║ data ┄┄┄┄┄╫┄┄> ...
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	41 /// ╚═══════════╝
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	42 /// ```
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	43 ///
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	44 /// Because the `messages` remain owned by the application which calls into PAM,
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	45 /// we can solve this with One Simple Trick: make the intermediate list point
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	46 /// into the same array:
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	47 ///
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	48 /// ```text
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	49 /// points to ┌──────────────┐ ╔═ Message[] ═╗
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	50 /// messages ┄┄┄┄┄┄┄┄┄┄> │ messages[0] ┄┼┄┄┄┄> ║ style ║
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	51 /// │ messages[1] ┄┼┄┄╮ ║ data ┄┄┄┄┄┄┄╫┄┄> ...
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	52 /// │ ... │ ┆ ╟─────────────╢
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	53 /// ╰┄> ║ style ║
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	54 /// ║ data ┄┄┄┄┄┄┄╫┄┄> ...
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	55 /// ╟─────────────╢
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	56 /// ║ ... ║
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	57 ///
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	58 /// ```
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	59 #[derive(Debug)]
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	60 pub struct PtrPtrVec<T> {
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	61 data: Vec<T>,
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	62 pointers: Vec<*const T>,
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	63 }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	64
125 2b255c92417b Introduce base PAM functions; use the real X/SSO PAM header for tests. Paul Fisher <paul@pfish.zone> parents: 123 diff changeset	65 // Since this is a wrapper around a Vec with no dangerous functionality*,
2b255c92417b Introduce base PAM functions; use the real X/SSO PAM header for tests. Paul Fisher <paul@pfish.zone> parents: 123 diff changeset	66 // this can be Send and Sync provided the original Vec is.
2b255c92417b Introduce base PAM functions; use the real X/SSO PAM header for tests. Paul Fisher <paul@pfish.zone> parents: 123 diff changeset	67 //
2b255c92417b Introduce base PAM functions; use the real X/SSO PAM header for tests. Paul Fisher <paul@pfish.zone> parents: 123 diff changeset	68 // * It will only become unsafe when the user dereferences a pointer or sends it
2b255c92417b Introduce base PAM functions; use the real X/SSO PAM header for tests. Paul Fisher <paul@pfish.zone> parents: 123 diff changeset	69 // to an unsafe function.
2b255c92417b Introduce base PAM functions; use the real X/SSO PAM header for tests. Paul Fisher <paul@pfish.zone> parents: 123 diff changeset	70 unsafe impl<T> Send for PtrPtrVec<T> where Vec<T>: Send {}
2b255c92417b Introduce base PAM functions; use the real X/SSO PAM header for tests. Paul Fisher <paul@pfish.zone> parents: 123 diff changeset	71 unsafe impl<T> Sync for PtrPtrVec<T> where Vec<T>: Sync {}
2b255c92417b Introduce base PAM functions; use the real X/SSO PAM header for tests. Paul Fisher <paul@pfish.zone> parents: 123 diff changeset	72
119 476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	73 impl<T> PtrPtrVec<T> {
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	74 /// Takes ownership of the given Vec and creates a vec of pointers to it.
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	75 pub fn new(data: Vec<T>) -> Self {
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	76 let pointers: Vec<_> = data.iter().map(\|r\| r as *const T).collect();
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	77 Self { data, pointers }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	78 }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	79
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	80 /// Gives you back your Vec.
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	81 pub fn into_inner(self) -> Vec<T> {
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	82 self.data
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	83 }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	84
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	85 /// Gets a pointer-to-pointer suitable for passing into the Conversation.
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	86 pub fn as_ptr<Dest>(&self) -> const const Dest {
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	87 Self::assert_size::<Dest>();
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	88 self.pointers.as_ptr().cast::<*const Dest>()
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	89 }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	90
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	91 /// Iterates over a Linux-PAM–style pointer-to-array-of-pointers.
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	92 ///
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	93 /// # Safety
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	94 ///
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	95 /// `ptr_ptr` must be a valid pointer to an array of pointers,
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	96 /// there must be at least `count` valid pointers in the array,
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	97 /// and each pointer in that array must point to a valid `T`.
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	98 #[deprecated = "use [`Self::iter_over`] instead, unless you really need this specific version"]
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	99 #[allow(dead_code)]
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	100 pub unsafe fn iter_over_linux<'a, Src>(
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	101 ptr_ptr: const const Src,
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	102 count: usize,
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	103 ) -> impl Iterator<Item = &'a T>
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	104 where
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	105 T: 'a,
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	106 {
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	107 Self::assert_size::<Src>();
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	108 slice::from_raw_parts(ptr_ptr.cast::<&T>(), count)
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	109 .iter()
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	110 .copied()
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	111 }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	112
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	113 /// Iterates over an X/SSO–style pointer-to-pointer-to-array.
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	114 ///
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	115 /// # Safety
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	116 ///
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	117 /// You must pass a valid pointer to a valid pointer to an array,
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	118 /// there must be at least `count` elements in the array,
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	119 /// and each value in that array must be a valid `T`.
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	120 #[deprecated = "use [`Self::iter_over`] instead, unless you really need this specific version"]
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	121 #[allow(dead_code)]
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	122 pub unsafe fn iter_over_xsso<'a, Src>(
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	123 ptr_ptr: const const Src,
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	124 count: usize,
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	125 ) -> impl Iterator<Item = &'a T>
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	126 where
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	127 T: 'a,
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	128 {
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	129 Self::assert_size::<Src>();
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	130 slice::from_raw_parts(*ptr_ptr.cast(), count).iter()
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	131 }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	132
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	133 /// Iterates over a PAM message list appropriate to your system's impl.
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	134 ///
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	135 /// This selects the correct pointer/array structure to use for a message
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	136 /// that was given to you by your system.
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	137 ///
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	138 /// # Safety
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	139 ///
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	140 /// `ptr_ptr` must point to a valid message list, there must be at least
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	141 /// `count` messages in the list, and all messages must be a valid `Src`.
134 6c1e1bdb4164 Use standard #[cfg] directives rather than custom proc macros. Paul Fisher <paul@pfish.zone> parents: 127 diff changeset	142 #[allow(deprecated)]
119 476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	143 pub unsafe fn iter_over<'a, Src>(
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	144 ptr_ptr: const const Src,
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	145 count: usize,
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	146 ) -> impl Iterator<Item = &'a T>
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	147 where
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	148 T: 'a,
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	149 {
134 6c1e1bdb4164 Use standard #[cfg] directives rather than custom proc macros. Paul Fisher <paul@pfish.zone> parents: 127 diff changeset	150 #[cfg(pam_impl = "LinuxPam")]
6c1e1bdb4164 Use standard #[cfg] directives rather than custom proc macros. Paul Fisher <paul@pfish.zone> parents: 127 diff changeset	151 return Self::iter_over_linux(ptr_ptr, count);
6c1e1bdb4164 Use standard #[cfg] directives rather than custom proc macros. Paul Fisher <paul@pfish.zone> parents: 127 diff changeset	152 #[cfg(not(pam_impl = "LinuxPam"))]
6c1e1bdb4164 Use standard #[cfg] directives rather than custom proc macros. Paul Fisher <paul@pfish.zone> parents: 127 diff changeset	153 return Self::iter_over_xsso(ptr_ptr, count);
119 476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	154 }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	155
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	156 fn assert_size<That>() {
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	157 debug_assert_eq!(
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	158 mem::size_of::<T>(),
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	159 mem::size_of::<That>(),
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	160 "type {t} is not the size of {that}",
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	161 t = any::type_name::<T>(),
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	162 that = any::type_name::<That>(),
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	163 );
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	164 }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	165 }
106 49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	166
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	167 /// Error returned when attempting to allocate a buffer that is too big.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	168 ///
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	169 /// This is specifically used in [`OwnedBinaryPayload`] when you try to allocate
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	170 /// a message larger than 2<sup>32</sup> bytes.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	171 #[derive(Debug, PartialEq)]
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	172 pub struct TooBigError {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	173 pub size: usize,
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	174 pub max: usize,
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	175 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	176
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	177 impl Error for TooBigError {}
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	178
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	179 impl fmt::Display for TooBigError {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	180 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	181 write!(
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	182 f,
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	183 "can't allocate a message of {size} bytes (max {max})",
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	184 size = self.size,
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	185 max = self.max
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	186 )
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	187 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	188 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	189
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	190 /// A trait wrapping memory management.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	191 ///
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	192 /// This is intended to allow you to bring your own allocator for
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	193 /// [`OwnedBinaryPayload`]s.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	194 ///
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	195 /// For an implementation example, see the implementation of this trait
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	196 /// for [`Vec`].
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	197 pub trait Buffer<T: Default> {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	198 /// Allocates a buffer of `len` elements, filled with the default.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	199 fn allocate(len: usize) -> Self;
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	200
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	201 fn as_ptr(&self) -> *const T;
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	202
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	203 /// Returns a slice view of `size` elements of the given memory.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	204 ///
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	205 /// # Safety
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	206 ///
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	207 /// The caller must not request more elements than are allocated.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	208 unsafe fn as_mut_slice(&mut self, len: usize) -> &mut [T];
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	209
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	210 /// Consumes this ownership and returns a pointer to the start of the arena.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	211 fn into_ptr(self) -> NonNull<T>;
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	212
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	213 /// "Adopts" the memory at the given pointer, taking it under management.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	214 ///
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	215 /// Running the operation:
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	216 ///
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	217 /// ```
136 efbc235f01d3 Separate libpam-sys-helpers from libpam-sys. Paul Fisher <paul@pfish.zone> parents: 134 diff changeset	218 /// # use libpam_sys_helpers::memory::Buffer;
106 49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	219 /// # fn test<T: Default, OwnerType: Buffer<T>>(bytes: usize) {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	220 /// let owner = OwnerType::allocate(bytes);
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	221 /// let ptr = owner.into_ptr();
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	222 /// let owner = unsafe { OwnerType::from_ptr(ptr, bytes) };
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	223 /// # }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	224 /// ```
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	225 ///
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	226 /// must be a no-op.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	227 ///
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	228 /// # Safety
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	229 ///
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	230 /// The pointer must be valid, and the caller must provide the exact size
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	231 /// of the given arena.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	232 unsafe fn from_ptr(ptr: NonNull<T>, bytes: usize) -> Self;
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	233 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	234
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	235 impl<T: Default> Buffer<T> for Vec<T> {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	236 fn allocate(bytes: usize) -> Self {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	237 (0..bytes).map(\|_\| Default::default()).collect()
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	238 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	239
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	240 fn as_ptr(&self) -> *const T {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	241 Vec::as_ptr(self)
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	242 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	243
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	244 unsafe fn as_mut_slice(&mut self, bytes: usize) -> &mut [T] {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	245 debug_assert!(bytes <= self.len());
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	246 Vec::as_mut(self)
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	247 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	248
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	249 fn into_ptr(self) -> NonNull<T> {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	250 let mut me = ManuallyDrop::new(self);
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	251 // SAFETY: a Vec is guaranteed to have a nonzero pointer.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	252 unsafe { NonNull::new_unchecked(me.as_mut_ptr()) }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	253 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	254
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	255 unsafe fn from_ptr(ptr: NonNull<T>, bytes: usize) -> Self {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	256 Vec::from_raw_parts(ptr.as_ptr(), bytes, bytes)
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	257 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	258 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	259
118 39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	260 /// The structure of the "binary message" payload for the `PAM_BINARY_PROMPT`
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	261 /// extension from Linux-PAM.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	262 pub struct BinaryPayload {
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	263 /// The total byte size of the message, including this header,
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	264 /// as a u32 in network byte order (big endian).
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	265 pub total_bytes_u32be: [u8; 4],
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	266 /// A tag used to provide some kind of hint as to what the data is.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	267 /// Its meaning is undefined.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	268 pub data_type: u8,
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	269 /// Where the data itself would start, used as a marker to make this
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	270 /// not [`Unpin`] (since it is effectively an intrusive data structure
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	271 /// pointing to immediately after itself).
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	272 pub _marker: PhantomData<PhantomPinned>,
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	273 }
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	274
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	275 impl BinaryPayload {
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	276 /// The most data it's possible to put into a [`BinaryPayload`].
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	277 pub const MAX_SIZE: usize = (u32::MAX - 5) as usize;
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	278
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	279 /// Fills in the provided buffer with the given data.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	280 ///
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	281 /// This uses [`copy_from_slice`](slice::copy_from_slice) internally,
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	282 /// so `buf` must be exactly 5 bytes longer than `data`, or this function
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	283 /// will panic.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	284 pub fn fill(buf: &mut [u8], data_type: u8, data: &[u8]) {
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	285 let ptr: *mut Self = buf.as_mut_ptr().cast();
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	286 // SAFETY: We're given a slice, which always has a nonzero pointer.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	287 let me = unsafe { ptr.as_mut().unwrap_unchecked() };
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	288 me.total_bytes_u32be = u32::to_be_bytes(buf.len() as u32);
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	289 me.data_type = data_type;
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	290 buf[5..].copy_from_slice(data)
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	291 }
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	292
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	293 /// The total storage needed for the message, including header.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	294 pub fn total_bytes(&self) -> usize {
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	295 u32::from_be_bytes(self.total_bytes_u32be) as usize
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	296 }
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	297
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	298 /// Gets the total byte buffer of the BinaryMessage stored at the pointer.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	299 ///
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	300 /// The returned data slice is borrowed from where the pointer points to.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	301 ///
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	302 /// # Safety
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	303 ///
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	304 /// - The pointer must point to a valid `BinaryPayload`.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	305 /// - The borrowed data must not outlive the pointer's validity.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	306 pub unsafe fn buffer_of<'a>(ptr: *const Self) -> &'a [u8] {
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	307 let header: &Self = ptr.as_ref().unwrap_unchecked();
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	308 slice::from_raw_parts(ptr.cast(), header.total_bytes().max(5))
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	309 }
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	310
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	311 /// Gets the contents of the BinaryMessage stored at the given pointer.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	312 ///
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	313 /// The returned data slice is borrowed from where the pointer points to.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	314 /// This is a cheap operation and doesn't do any copying.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	315 ///
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	316 /// We don't take a `&self` reference here because accessing beyond
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	317 /// the range of the `Self` data (i.e., beyond the 5 bytes of `self`)
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	318 /// is undefined behavior. Instead, you have to pass a raw pointer
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	319 /// directly to the data.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	320 ///
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	321 /// # Safety
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	322 ///
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	323 /// - The pointer must point to a valid `BinaryPayload`.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	324 /// - The borrowed data must not outlive the pointer's validity.
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	325 pub unsafe fn contents<'a>(ptr: *const Self) -> (u8, &'a [u8]) {
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	326 let header: &Self = ptr.as_ref().unwrap_unchecked();
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	327 (header.data_type, &Self::buffer_of(ptr)[5..])
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	328 }
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	329 }
39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	330
106 49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	331 /// A binary message owned by some storage.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	332 ///
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	333 /// This is an owned, memory-managed version of [`BinaryPayload`].
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	334 /// The `O` type manages the memory where the payload lives.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	335 /// [`Vec<u8>`] is one such manager and can be used when ownership
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	336 /// of the data does not need to transit through PAM.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	337 #[derive(Debug)]
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	338 pub struct OwnedBinaryPayload<Owner: Buffer<u8>>(Owner);
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	339
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	340 impl<O: Buffer<u8>> OwnedBinaryPayload<O> {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	341 /// Allocates a new OwnedBinaryPayload.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	342 ///
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	343 /// This will return a [`TooBigError`] if you try to allocate too much
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	344 /// (more than [`BinaryPayload::MAX_SIZE`]).
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	345 pub fn new(data_type: u8, data: &[u8]) -> Result<Self, TooBigError> {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	346 let total_len: u32 = (data.len() + 5).try_into().map_err(\|_\| TooBigError {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	347 size: data.len(),
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	348 max: BinaryPayload::MAX_SIZE,
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	349 })?;
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	350 let total_len = total_len as usize;
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	351 let mut buf = O::allocate(total_len);
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	352 // SAFETY: We just allocated this exact size.
109 bb465393621f Minor cleanup and reorg. Paul Fisher <paul@pfish.zone> parents: 106 diff changeset	353 BinaryPayload::fill(unsafe { buf.as_mut_slice(total_len) }, data_type, data);
106 49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	354 Ok(Self(buf))
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	355 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	356
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	357 /// The contents of the buffer.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	358 pub fn contents(&self) -> (u8, &[u8]) {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	359 unsafe { BinaryPayload::contents(self.as_ptr()) }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	360 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	361
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	362 /// The total bytes needed to store this, including the header.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	363 pub fn total_bytes(&self) -> usize {
118 39760dfc9b3b Detect PAM library based only on system lib; rename minimal lib to XSso. Paul Fisher <paul@pfish.zone> parents: 117 diff changeset	364 unsafe { BinaryPayload::buffer_of(self.0.as_ptr().cast()).len() }
106 49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	365 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	366
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	367 /// Unwraps this into the raw storage backing it.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	368 pub fn into_inner(self) -> O {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	369 self.0
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	370 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	371
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	372 /// Gets a const pointer to the start of the message's buffer.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	373 pub fn as_ptr(&self) -> *const BinaryPayload {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	374 self.0.as_ptr().cast()
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	375 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	376
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	377 /// Consumes ownership of this message and converts it to a raw pointer
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	378 /// to the start of the message.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	379 ///
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	380 /// To clean this up, you should eventually pass it into [`Self::from_ptr`]
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	381 /// with the same `O` ownership type.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	382 pub fn into_ptr(self) -> NonNull<BinaryPayload> {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	383 self.0.into_ptr().cast()
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	384 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	385
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	386 /// Takes ownership of the given pointer.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	387 ///
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	388 /// # Safety
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	389 ///
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	390 /// You must provide a valid pointer, allocated by (or equivalent to one
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	391 /// allocated by) [`Self::new`]. For instance, passing a pointer allocated
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	392 /// by `malloc` to `OwnedBinaryPayload::<Vec<u8>>::from_ptr` is not allowed.
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	393 pub unsafe fn from_ptr(ptr: NonNull<BinaryPayload>) -> Self {
109 bb465393621f Minor cleanup and reorg. Paul Fisher <paul@pfish.zone> parents: 106 diff changeset	394 Self(O::from_ptr(ptr.cast(), ptr.as_ref().total_bytes()))
106 49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	395 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	396 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	397
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	398 #[cfg(test)]
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	399 mod tests {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	400 use super::*;
119 476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	401 use std::ptr;
106 49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	402
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	403 type VecPayload = OwnedBinaryPayload<Vec<u8>>;
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	404
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	405 #[test]
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	406 fn test_binary_payload() {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	407 let simple_message = &[0u8, 0, 0, 16, 0xff, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	408 let empty = &[0u8; 5];
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	409
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	410 assert_eq!((0xff, &[0u8, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10][..]), unsafe {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	411 BinaryPayload::contents(simple_message.as_ptr().cast())
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	412 });
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	413 assert_eq!((0x00, &[][..]), unsafe {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	414 BinaryPayload::contents(empty.as_ptr().cast())
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	415 });
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	416 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	417
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	418 #[test]
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	419 fn test_owned_binary_payload() {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	420 let (typ, data) = (
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	421 112,
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	422 &[0, 1, 1, 8, 9, 9, 9, 8, 8, 1, 9, 9, 9, 1, 1, 9, 7, 2, 5, 3][..],
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	423 );
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	424 let payload = VecPayload::new(typ, data).unwrap();
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	425 assert_eq!((typ, data), payload.contents());
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	426 let ptr = payload.into_ptr();
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	427 let payload = unsafe { VecPayload::from_ptr(ptr) };
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	428 assert_eq!((typ, data), payload.contents());
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	429 }
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	430
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	431 #[test]
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	432 #[ignore]
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	433 fn test_owned_too_big() {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	434 let data = vec![0xFFu8; 0x1_0000_0001];
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	435 assert_eq!(
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	436 TooBigError {
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	437 max: 0xffff_fffa,
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	438 size: 0x1_0000_0001
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	439 },
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	440 VecPayload::new(5, &data).unwrap_err()
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	441 )
49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	442 }
119 476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	443
123 98a624cacd82 Get rid of all the warnings, and arrange attributes. Paul Fisher <paul@pfish.zone> parents: 119 diff changeset	444 #[cfg(debug_assertions)]
119 476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	445 #[test]
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	446 #[should_panic]
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	447 fn test_new_wrong_size() {
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	448 let bad_vec = vec![0; 19];
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	449 let msg = PtrPtrVec::new(bad_vec);
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	450 let _ = msg.as_ptr::<u64>();
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	451 }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	452
123 98a624cacd82 Get rid of all the warnings, and arrange attributes. Paul Fisher <paul@pfish.zone> parents: 119 diff changeset	453 #[allow(deprecated)]
98a624cacd82 Get rid of all the warnings, and arrange attributes. Paul Fisher <paul@pfish.zone> parents: 119 diff changeset	454 #[cfg(debug_assertions)]
119 476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	455 #[test]
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	456 #[should_panic]
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	457 fn test_iter_xsso_wrong_size() {
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	458 unsafe {
127 c77846f3a979 GET CTEST WORKING. Paul Fisher <paul@pfish.zone> parents: 125 diff changeset	459 let _ = PtrPtrVec::<u8>::iter_over_xsso::<f64>(ptr::null(), 1);
119 476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	460 }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	461 }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	462
123 98a624cacd82 Get rid of all the warnings, and arrange attributes. Paul Fisher <paul@pfish.zone> parents: 119 diff changeset	463 #[allow(deprecated)]
98a624cacd82 Get rid of all the warnings, and arrange attributes. Paul Fisher <paul@pfish.zone> parents: 119 diff changeset	464 #[cfg(debug_assertions)]
119 476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	465 #[test]
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	466 #[should_panic]
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	467 fn test_iter_linux_wrong_size() {
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	468 unsafe {
127 c77846f3a979 GET CTEST WORKING. Paul Fisher <paul@pfish.zone> parents: 125 diff changeset	469 let _ = PtrPtrVec::<u128>::iter_over_linux::<()>(ptr::null(), 1);
119 476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	470 }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	471 }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	472
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	473 #[allow(deprecated)]
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	474 #[test]
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	475 fn test_right_size() {
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	476 let good_vec = vec![(1u64, 2u64), (3, 4), (5, 6)];
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	477 let ptr = good_vec.as_ptr();
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	478 let msg = PtrPtrVec::new(good_vec);
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	479 let msg_ref: const const (i64, i64) = msg.as_ptr();
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	480 assert_eq!(unsafe { *msg_ref }, ptr.cast());
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	481
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	482 let linux_result: Vec<(i64, i64)> = unsafe { PtrPtrVec::iter_over_linux(msg_ref, 3) }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	483 .cloned()
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	484 .collect();
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	485 let xsso_result: Vec<(i64, i64)> = unsafe { PtrPtrVec::iter_over_xsso(msg_ref, 3) }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	486 .cloned()
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	487 .collect();
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	488 assert_eq!(vec![(1, 2), (3, 4), (5, 6)], linux_result);
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	489 assert_eq!(vec![(1, 2), (3, 4), (5, 6)], xsso_result);
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	490 drop(msg)
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	491 }
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	492
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	493 #[allow(deprecated)]
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	494 #[test]
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	495 fn test_iter_ptr_ptr() {
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	496 let strs = vec![Box::new("a"), Box::new("b"), Box::new("c"), Box::new("D")];
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	497 let ptr: const const &str = strs.as_ptr().cast();
125 2b255c92417b Introduce base PAM functions; use the real X/SSO PAM header for tests. Paul Fisher <paul@pfish.zone> parents: 123 diff changeset	498 let got: Vec<&str> = unsafe { PtrPtrVec::iter_over_linux(ptr, 4) }
2b255c92417b Introduce base PAM functions; use the real X/SSO PAM header for tests. Paul Fisher <paul@pfish.zone> parents: 123 diff changeset	499 .cloned()
2b255c92417b Introduce base PAM functions; use the real X/SSO PAM header for tests. Paul Fisher <paul@pfish.zone> parents: 123 diff changeset	500 .collect();
119 476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	501 assert_eq!(vec!["a", "b", "c", "D"], got);
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	502
123 98a624cacd82 Get rid of all the warnings, and arrange attributes. Paul Fisher <paul@pfish.zone> parents: 119 diff changeset	503 let nums = [-1i8, 2, 3];
119 476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	504 let ptr = nums.as_ptr();
125 2b255c92417b Introduce base PAM functions; use the real X/SSO PAM header for tests. Paul Fisher <paul@pfish.zone> parents: 123 diff changeset	505 let got: Vec<u8> = unsafe { PtrPtrVec::iter_over_xsso(&ptr, 3) }
2b255c92417b Introduce base PAM functions; use the real X/SSO PAM header for tests. Paul Fisher <paul@pfish.zone> parents: 123 diff changeset	506 .cloned()
2b255c92417b Introduce base PAM functions; use the real X/SSO PAM header for tests. Paul Fisher <paul@pfish.zone> parents: 123 diff changeset	507 .collect();
119 476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	508 assert_eq!(vec![255, 2, 3], got);
476a22db8639 Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM. Paul Fisher <paul@pfish.zone> parents: 118 diff changeset	509 }
106 49d9e2b5c189 An irresponsible mix of implementing libpam-sys and other stuff. Paul Fisher <paul@pfish.zone> parents: diff changeset	510 }

Mercurial > crates > nonstick

annotate libpam-sys/libpam-sys-helpers/src/memory.rs @ 137:88627c057709 default tip