comparison libpam-sys/libpam-sys-helpers/src/constants.rs @ 136:efbc235f01d3

Separate libpam-sys-helpers from libpam-sys. This separates the parts of libpam-sys that don't need linking against libpam from the parts that do need to link against libpam.
author Paul Fisher <paul@pfish.zone>
date Thu, 03 Jul 2025 14:28:04 -0400
parents libpam-sys/src/constants.rs@6c1e1bdb4164
children 88627c057709
comparison
equal deleted inserted replaced
135:b52594841480 136:efbc235f01d3
1 //! All of `libpam`'s constants.
2 //!
3 //! These constants are tested on a per-platform basis by `libpam-sys-test`'s
4 //! `test_constants.rs`.
5
6 #![allow(non_camel_case_types)]
7 #![allow(unused_imports)]
8 use num_enum::{IntoPrimitive, TryFromPrimitive};
9
10 /// Macro to make defining a bunch of constants way easier.
11 macro_rules! define {
12 ($(#[$attr:meta])* $($name:ident = $value:expr);+$(;)?) => {
13 define!(
14 @meta { $(#[$attr])* }
15 $(pub const $name: i32 = $value;)+
16 );
17 };
18 (@meta $m:tt $($i:item)+) => { define!(@expand $($m $i)+); };
19 (@expand $({ $(#[$m:meta])* } $i:item)+) => {$($(#[$m])* $i)+};
20 }
21
22 /// Macro to make defining C-style enums way easier.
23 macro_rules! c_enum {
24 ($(#[$attr:meta])* $($name:ident $(= $value:expr)?,)*) => {
25 c_enum!(
26 (0)
27 $(#[$attr])*
28 $($name $(= $value)?,)*
29 );
30 };
31 (($n:expr) $(#[$attr:meta])* $name:ident, $($rest:ident $(= $rv:expr)?,)*) => {
32 $(#[$attr])* pub const $name: i32 = $n;
33 c_enum!(($n + 1) $(#[$attr])* $($rest $(= $rv)?,)*);
34 };
35 (($n:expr) $(#[$attr:meta])* $name:ident = $value:expr, $($rest:ident $(= $rv:expr)?,)*) => {
36 $(#[$attr])* pub const $name: i32 = $value;
37 c_enum!(($value + 1) $(#[$attr])* $($rest $(= $rv)?,)*);
38 };
39 (($n:expr) $(#[$attr:meta])*) => {};
40 }
41
42 // There are a few truly universal constants.
43 // They are defined here directly.
44 /// The successful return code.
45 pub const PAM_SUCCESS: i32 = 0;
46
47 c_enum!(
48 /// An item type.
49 PAM_SERVICE = 1,
50 PAM_USER,
51 PAM_TTY,
52 PAM_RHOST,
53 PAM_CONV,
54 PAM_AUTHTOK,
55 PAM_OLDAUTHTOK,
56 PAM_RUSER,
57 PAM_USER_PROMPT,
58 );
59
60 c_enum!(
61 /// A message style.
62 PAM_PROMPT_ECHO_OFF = 1,
63 PAM_PROMPT_ECHO_ON,
64 PAM_ERROR_MSG,
65 PAM_TEXT_INFO,
66 );
67
68 define!(
69 /// Maximum size of PAM conversation elements (suggested).
70 PAM_MAX_NUM_MSG = 32;
71 PAM_MAX_MSG_SIZE = 512;
72 PAM_MAX_RESP_SIZE = 512;
73 );
74
75 #[cfg(pam_impl = "LinuxPam")]
76 pub use linux_pam::*;
77 #[cfg(pam_impl = "LinuxPam")]
78 mod linux_pam {
79 use super::{IntoPrimitive, TryFromPrimitive};
80 c_enum!(
81 /// An error return code.
82 PAM_OPEN_ERR = 1,
83 PAM_SYMBOL_ERR,
84 PAM_SERVICE_ERR,
85 PAM_SYSTEM_ERR,
86 PAM_BUF_ERR,
87 PAM_PERM_DENIED,
88 PAM_AUTH_ERR,
89 PAM_CRED_INSUFFICIENT,
90 PAM_AUTHINFO_UNAVAIL,
91 PAM_USER_UNKNOWN,
92 PAM_MAXTRIES,
93 PAM_NEW_AUTHTOK_REQD,
94 PAM_ACCT_EXPIRED,
95 PAM_SESSION_ERR,
96 PAM_CRED_UNAVAIL,
97 PAM_CRED_EXPIRED,
98 PAM_CRED_ERR,
99 PAM_NO_MODULE_DATA,
100 PAM_CONV_ERR,
101 PAM_AUTHTOK_ERR,
102 PAM_AUTHTOK_RECOVERY_ERR,
103 PAM_AUTHTOK_LOCK_BUSY,
104 PAM_AUTHTOK_DISABLE_AGING,
105 PAM_TRY_AGAIN,
106 PAM_IGNORE,
107 PAM_ABORT,
108 PAM_AUTHTOK_EXPIRED,
109 PAM_MODULE_UNKNOWN,
110 PAM_BAD_ITEM,
111 PAM_CONV_AGAIN,
112 PAM_INCOMPLETE,
113 _PAM_RETURN_VALUES,
114 );
115
116 define!(
117 /// A flag value.
118 PAM_SILENT = 0x8000;
119 PAM_DISALLOW_NULL_AUTHTOK = 0x0001;
120 PAM_ESTABLISH_CRED = 0x0002;
121 PAM_DELETE_CRED = 0x0004;
122 PAM_REINITIALIZE_CRED = 0x0008;
123 PAM_REFRESH_CRED = 0x0010;
124
125 PAM_CHANGE_EXPIRED_AUTHTOK = 0x0020;
126
127 PAM_PRELIM_CHECK = 0x4000;
128 PAM_UPDATE_AUTHTOK = 0x2000;
129 PAM_DATA_REPLACE = 0x20000000;
130 );
131
132 c_enum!(
133 /// An item type (Linux-only).
134 PAM_FAIL_DELAY = 10,
135 PAM_XDISPLAY,
136 PAM_XAUTHDATA,
137 PAM_AUTHTOK_TYPE,
138 );
139
140 /// To suppress messages in the item cleanup function.
141 pub const PAM_DATA_SILENT: i32 = 0x40000000;
142
143 // Message styles
144 define!(
145 /// A message style.
146 PAM_RADIO_TYPE = 5;
147 PAM_BINARY_PROMPT = 7;
148 );
149
150 pub const PAM_MODUTIL_NGROUPS: i32 = 64;
151
152 #[derive(Copy, Clone, Debug, PartialEq, Eq, TryFromPrimitive, IntoPrimitive)]
153 #[repr(i32)]
154 pub enum pam_modutil_redirect_fd {
155 PAM_MODUTIL_IGNORE_FD,
156 PAM_MODUTIL_PIPE_FD,
157 PAM_MODUTIL_NULL_FD,
158 }
159
160 pub use pam_modutil_redirect_fd::*;
161 }
162
163 #[cfg(any(pam_impl = "OpenPam", pam_impl = "Sun", pam_impl = "XSso"))]
164 pub use xsso_shared::*;
165 #[cfg(any(pam_impl = "OpenPam", pam_impl = "Sun", pam_impl = "XSso"))]
166 mod xsso_shared {
167 c_enum!(
168 /// An error return code.
169 PAM_OPEN_ERR = 1,
170 PAM_SYMBOL_ERR,
171 PAM_SERVICE_ERR,
172 PAM_SYSTEM_ERR,
173 PAM_BUF_ERR,
174 PAM_CONV_ERR,
175 PAM_PERM_DENIED,
176 PAM_MAXTRIES,
177 PAM_AUTH_ERR,
178 PAM_NEW_AUTHTOK_REQD,
179 PAM_CRED_INSUFFICIENT,
180 PAM_AUTHINFO_UNAVAIL,
181 PAM_USER_UNKNOWN,
182 PAM_CRED_UNAVAIL,
183 PAM_CRED_EXPIRED,
184 PAM_CRED_ERR,
185 PAM_ACCT_EXPIRED,
186 PAM_AUTHTOK_EXPIRED,
187 PAM_SESSION_ERR,
188 PAM_AUTHTOK_ERR,
189 PAM_AUTHTOK_RECOVERY_ERR,
190 PAM_AUTHTOK_LOCK_BUSY,
191 PAM_AUTHTOK_DISABLE_AGING,
192 PAM_NO_MODULE_DATA,
193 PAM_IGNORE,
194 PAM_ABORT,
195 PAM_TRY_AGAIN,
196 );
197 // While `PAM_MODULE_UNKNOWN` and `PAM_DOMAIN_UNKNOWN` are in X/SSO,
198 // Sun doesn't use them so we're omitting them here.
199
200 /// A general flag for PAM operations.
201 pub const PAM_SILENT: i32 = 0x80000000u32 as i32;
202
203 /// A flag for `pam_authenticate`.
204 pub const PAM_DISALLOW_NULL_AUTHTOK: i32 = 0b1;
205
206 define!(
207 /// A flag for `pam_setcred`.
208 PAM_ESTABLISH_CRED = 0b0001;
209 PAM_DELETE_CRED = 0b0010;
210 PAM_REINITIALIZE_CRED = 0b0100;
211 PAM_REFRESH_CRED = 0b1000;
212 );
213
214 define!(
215 /// A flag for `pam_sm_chauthtok`.
216 PAM_PRELIM_CHECK = 0b0001;
217 PAM_UPDATE_AUTHTOK = 0b0010;
218 PAM_CHANGE_EXPIRED_AUTHTOK = 0b0100;
219 );
220 }
221
222 #[cfg(pam_impl = "OpenPam")]
223 pub use openpam::*;
224 #[cfg(pam_impl = "OpenPam")]
225 mod openpam {
226 c_enum!(
227 /// An error return code.
228 PAM_MODULE_UNKNOWN = 28,
229 PAM_DOMAIN_UNKNOWN,
230 PAM_BAD_HANDLE,
231 PAM_BAD_ITEM,
232 PAM_BAD_FEATURE,
233 PAM_BAD_CONSTANT,
234 );
235 /// The total number of PAM error codes (including success).
236 pub const PAM_NUM_ERRORS: i32 = 34;
237
238 c_enum!(
239 /// An item type.
240 PAM_REPOSITORY = 10,
241 PAM_AUTHTOK_PROMPT,
242 PAM_OLDAUTHTOK_PROMPT,
243 PAM_HOST,
244 );
245 /// The total number of PAM items.
246 pub const PAM_NUM_ITEMS: i32 = 14;
247
248 c_enum!(
249 /// An optional OpenPAM feature.
250 OPENPAM_RESTRICT_SERVICE_NAME,
251 OPENPAM_VERIFY_POLICY_FILE,
252 OPENPAM_RESTRICT_MODULE_NAME,
253 OPENPAM_VERIFY_MODULE_FILE,
254 OPENPAM_FALLBACK_TO_OTHER,
255 );
256 /// The number of optional OpenPAM features.
257 pub const OPENPAM_NUM_FEATURES: i32 = 5;
258
259 c_enum!(
260 /// Log level.
261 PAM_LOG_LIBDEBUG = -1,
262 PAM_LOG_DEBUG,
263 PAM_LOG_VERBOSE,
264 PAM_LOG_NOTICE,
265 PAM_LOG_ERROR,
266 );
267
268 c_enum!(
269 /// PAM primitives.
270 PAM_SM_AUTHENTICATE,
271 PAM_SM_SETCRED,
272 PAM_SM_ACCT_MGMT,
273 PAM_SM_OPEN_SESSION,
274 PAM_SM_CLOSE_SESSION,
275 PAM_SM_CHAUTHTOK,
276 );
277 /// The number of PAM primitives.
278 pub const PAM_NUM_PRIMITIVES: i32 = 6;
279 }
280
281 /// Constants exclusive to Illumos.
282 #[cfg(pam_impl = "Sun")]
283 pub use sun::*;
284 #[cfg(pam_impl = "Sun")]
285 mod sun {
286 /// The total number of PAM error codes.
287 pub const PAM_TOTAL_ERRNUM: i32 = 28;
288
289 c_enum!(
290 /// An item type.
291 PAM_REPOSITORY = 10,
292 PAM_RESOURCE,
293 PAM_AUSER,
294 );
295
296 /// A flag for `pam_chauthtok`.
297 pub const PAM_NO_AUTHTOK_CHECK: i32 = 0b1000;
298 }