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comparison src/libpam/environ.rs @ 144:56b559b7ecea

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Big rename: separate concepts of Transaction from Handle. - An application that uses PAM creates a Transaction. - The Transaction has a Handle. Currently, a module still get something called a "handle", but that's probably going to change soon.
author Paul Fisher <paul@pfish.zone>
date Sun, 06 Jul 2025 11:59:26 -0400
parents ebb71a412b58
children a75a66cb4181
comparison
equal deleted inserted replaced
143:ebb71a412b58 144:56b559b7ecea
1 use crate::environ::{EnvironMap, EnvironMapMut}; 1 use crate::environ::{EnvironMap, EnvironMapMut};
2 use crate::libpam::memory::{CHeapBox, CHeapString}; 2 use crate::libpam::memory::{CHeapBox, CHeapString};
3 use crate::libpam::{memory, RawPamHandle}; 3 use crate::libpam::{memory, LibPamHandle};
4 use std::ffi::{c_char, CStr, CString, OsStr, OsString}; 4 use std::ffi::{c_char, CStr, CString, OsStr, OsString};
5 use std::marker::PhantomData; 5 use std::marker::PhantomData;
6 use std::os::unix::ffi::{OsStrExt, OsStringExt}; 6 use std::os::unix::ffi::{OsStrExt, OsStringExt};
7 use std::ptr; 7 use std::ptr;
8 use std::ptr::NonNull; 8 use std::ptr::NonNull;
9 9
10 impl RawPamHandle { 10 impl LibPamHandle {
11 fn environ_get(&self, key: &OsStr) -> Option<OsString> { 11 fn environ_get(&self, key: &OsStr) -> Option<OsString> {
12 let key = CString::new(key.as_bytes()).ok()?; 12 let key = CString::new(key.as_bytes()).ok()?;
13 // SAFETY: We are a valid handle and are calling with a good key. 13 // SAFETY: We are a valid handle and are calling with a good key.
14 let src = unsafe { libpam_sys::pam_getenv(self.raw_ref(), key.as_ptr()) }; 14 let src = unsafe { libpam_sys::pam_getenv(self.raw_ref(), key.as_ptr()) };
15 let val = match NonNull::new(src) { 15 let val = match NonNull::new(src) {
53 } 53 }
54 } 54 }
55 55
56 /// A view to the environment stored in a PAM handle. 56 /// A view to the environment stored in a PAM handle.
57 pub struct LibPamEnviron<'a> { 57 pub struct LibPamEnviron<'a> {
58 source: &'a RawPamHandle, 58 source: &'a LibPamHandle,
59 } 59 }
60 60
61 /// A mutable view to the environment stored in a PAM handle. 61 /// A mutable view to the environment stored in a PAM handle.
62 pub struct LibPamEnvironMut<'a> { 62 pub struct LibPamEnvironMut<'a> {
63 source: &'a mut RawPamHandle, 63 source: &'a mut LibPamHandle,
64 } 64 }
65 65
66 impl<'a> LibPamEnviron<'a> { 66 impl<'a> LibPamEnviron<'a> {
67 pub fn new(source: &'a RawPamHandle) -> Self { 67 pub fn new(source: &'a LibPamHandle) -> Self {
68 Self { source } 68 Self { source }
69 } 69 }
70 } 70 }
71 71
72 impl<'a> LibPamEnvironMut<'a> { 72 impl<'a> LibPamEnvironMut<'a> {
73 pub fn new(source: &'a mut RawPamHandle) -> Self { 73 pub fn new(source: &'a mut LibPamHandle) -> Self {
74 Self { source } 74 Self { source }
75 } 75 }
76 } 76 }
77 77
78 impl EnvironMap<'_> for LibPamEnviron<'_> { 78 impl EnvironMap<'_> for LibPamEnviron<'_> {
111 /// This can't be a `CHeapBox` because it's not just a single 111 /// This can't be a `CHeapBox` because it's not just a single
112 /// `Option<EnvVar>`. 112 /// `Option<EnvVar>`.
113 start: NonNull<Option<EnvVar>>, 113 start: NonNull<Option<EnvVar>>,
114 /// The environment variable we're about to iterate into. 114 /// The environment variable we're about to iterate into.
115 current: NonNull<Option<EnvVar>>, 115 current: NonNull<Option<EnvVar>>,
116 _owner: PhantomData<&'a RawPamHandle>, 116 _owner: PhantomData<&'a LibPamHandle>,
117 } 117 }
118 118
119 impl EnvList<'_> { 119 impl EnvList<'_> {
120 fn empty() -> Self { 120 fn empty() -> Self {
121 let none: CHeapBox<Option<EnvVar>> = CHeapBox::new(None); 121 let none: CHeapBox<Option<EnvVar>> = CHeapBox::new(None);