Mercurial > crates > nonstick
annotate pam/src/items.rs @ 34:ec70822cbdef
Overhaul
| author | Andy Caldwell <andrew.caldwell@metaswitch.com> |
|---|---|
| date | Sun, 24 Apr 2022 03:42:11 +0100 |
| parents | 27730595f1ea |
| children |
| rev | line source |
|---|---|
| 34 | 1 #[repr(u32)] |
| 2 pub enum ItemType { | |
| 3 /// The service name | |
| 4 Service = 1, | |
| 5 /// The user name | |
| 6 User = 2, | |
| 7 /// The tty name | |
| 8 Tty = 3, | |
| 9 /// The remote host name | |
| 10 RHost = 4, | |
| 11 /// The pam_conv structure | |
| 12 Conv = 5, | |
| 13 /// The authentication token (password) | |
| 14 AuthTok = 6, | |
| 15 /// The old authentication token | |
| 16 OldAuthTok = 7, | |
| 17 /// The remote user name | |
| 18 RUser = 8, | |
| 19 /// the prompt for getting a username | |
| 20 UserPrompt = 9, | |
| 21 /// app supplied function to override failure delays | |
| 22 FailDelay = 10, | |
| 23 /// X :display name | |
| 24 XDisplay = 11, | |
| 25 /// X :server authentication data | |
| 26 XAuthData = 12, | |
| 27 /// The type for pam_get_authtok | |
| 28 AuthTokType = 13, | |
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27730595f1ea
Adding pam-http module
Anthony Nowell <anthony@algorithmia.com>
parents:
diff
changeset
|
29 } |
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27730595f1ea
Adding pam-http module
Anthony Nowell <anthony@algorithmia.com>
parents:
diff
changeset
|
30 |
| 34 | 31 // A type that can be requested by `pam::Handle::get_item`. |
| 32 pub trait Item { | |
| 33 /// The `repr(C)` type that is returned (by pointer) by the underlying `pam_get_item` function. | |
| 34 type Raw; | |
| 35 | |
| 36 /// The `ItemType` for this type | |
| 37 fn type_id() -> ItemType; | |
|
15
27730595f1ea
Adding pam-http module
Anthony Nowell <anthony@algorithmia.com>
parents:
diff
changeset
|
38 |
| 34 | 39 /// The function to convert from the pointer to the C-representation to this safer wrapper type |
| 40 /// | |
| 41 /// # Safety | |
| 42 /// | |
| 43 /// This function can assume the pointer is a valid pointer to a `Self::Raw` instance. | |
| 44 unsafe fn from_raw(raw: *const Self::Raw) -> Self; | |
|
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27730595f1ea
Adding pam-http module
Anthony Nowell <anthony@algorithmia.com>
parents:
diff
changeset
|
45 |
| 34 | 46 /// The function to convert from this wrapper type to a C-compatible pointer. |
| 47 fn into_raw(self) -> *const Self::Raw; | |
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15
27730595f1ea
Adding pam-http module
Anthony Nowell <anthony@algorithmia.com>
parents:
diff
changeset
|
48 } |
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27730595f1ea
Adding pam-http module
Anthony Nowell <anthony@algorithmia.com>
parents:
diff
changeset
|
49 |
| 34 | 50 macro_rules! cstr_item { |
| 51 ($name:ident) => { | |
| 52 #[derive(Debug)] | |
| 53 pub struct $name<'s>(pub &'s std::ffi::CStr); | |
| 54 | |
| 55 impl<'s> std::ops::Deref for $name<'s> { | |
| 56 type Target = &'s std::ffi::CStr; | |
| 57 fn deref(&self) -> &Self::Target { | |
| 58 &self.0 | |
| 59 } | |
| 60 } | |
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15
27730595f1ea
Adding pam-http module
Anthony Nowell <anthony@algorithmia.com>
parents:
diff
changeset
|
61 |
| 34 | 62 impl<'s> Item for $name<'s> { |
| 63 type Raw = libc::c_char; | |
| 64 | |
| 65 fn type_id() -> ItemType { | |
| 66 ItemType::$name | |
| 67 } | |
| 68 | |
| 69 unsafe fn from_raw(raw: *const Self::Raw) -> Self { | |
| 70 Self(std::ffi::CStr::from_ptr(raw)) | |
| 71 } | |
| 72 | |
| 73 fn into_raw(self) -> *const Self::Raw { | |
| 74 self.0.as_ptr() | |
| 75 } | |
| 76 } | |
| 77 }; | |
|
15
27730595f1ea
Adding pam-http module
Anthony Nowell <anthony@algorithmia.com>
parents:
diff
changeset
|
78 } |
|
27730595f1ea
Adding pam-http module
Anthony Nowell <anthony@algorithmia.com>
parents:
diff
changeset
|
79 |
| 34 | 80 cstr_item!(Service); |
| 81 cstr_item!(User); | |
| 82 cstr_item!(Tty); | |
| 83 cstr_item!(RHost); | |
| 84 // Conv | |
| 85 cstr_item!(AuthTok); | |
| 86 cstr_item!(OldAuthTok); | |
| 87 cstr_item!(RUser); | |
| 88 cstr_item!(UserPrompt); |