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annotate src/libpam/handle.rs @ 102:94eb11cb1798 default tip

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Improve documentation for pam_start.
author Paul Fisher <paul@pfish.zone>
date Tue, 24 Jun 2025 18:11:38 -0400
parents 94b51fa4f797
children
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73
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1 use super::conversation::LibPamConversation;
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2 use crate::constants::{ErrorCode, Result};
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3 use crate::conv::Message;
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4 use crate::environ::EnvironMapMut;
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5 use crate::handle::PamShared;
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6 use crate::libpam::environ::{LibPamEnviron, LibPamEnvironMut};
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7 pub use crate::libpam::pam_ffi::LibPamHandle;
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8 use crate::libpam::{memory, pam_ffi};
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9 use crate::logging::Level;
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10 use crate::{Conversation, EnvironMap, Flags, PamHandleApplication, PamHandleModule};
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11 use num_enum::{IntoPrimitive, TryFromPrimitive};
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12 use std::cell::Cell;
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13 use std::ffi::{c_char, c_int, CString};
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14 use std::ops::{Deref, DerefMut};
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15 use std::ptr;
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16
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17 /// Owner for a PAM handle.
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18 struct HandleWrap(*mut LibPamHandle);
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19
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20 impl Deref for HandleWrap {
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21 type Target = LibPamHandle;
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22 fn deref(&self) -> &Self::Target {
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23 unsafe { &*self.0 }
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24 }
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25 }
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26
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27 impl DerefMut for HandleWrap {
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28 fn deref_mut(&mut self) -> &mut Self::Target {
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29 unsafe { &mut *self.0 }
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30 }
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31 }
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32
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33 /// An owned PAM handle.
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34 pub struct OwnedLibPamHandle<'a> {
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35 /// The handle itself.
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36 handle: HandleWrap,
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37 /// The last return value from the handle.
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38 last_return: Cell<Result<()>>,
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39 /// If set, the Conversation that this PAM handle owns.
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40 ///
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41 /// We have to hold on to this because the PAM specification doesn't
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42 /// actually say what the PAM library should do with a passed-in
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43 /// conversation. Linux-PAM copies the contents of the `pam_conv` struct
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44 /// that you pass in to `pam_start`, but OpenPAM uses the pointer itself,
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45 /// so you have to keep it in one place.
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46 conversation: Option<Box<LibPamConversation<'a>>>,
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47 }
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48
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49 #[derive(Debug, PartialEq)]
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50 pub struct HandleBuilder {
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51 service_name: String,
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52 username: Option<String>,
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53 }
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54
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55 impl HandleBuilder {
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56 /// Updates the service name.
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57 pub fn service_name(mut self, service_name: String) -> Self {
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58 self.service_name = service_name;
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59 self
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60 }
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61 /// Sets the username. Setting this will avoid the need for an extra
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62 /// round trip through the conversation and may otherwise improve
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63 /// the login experience.
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64 pub fn username(mut self, username: String) -> Self {
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65 self.username = Some(username);
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66 self
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67 }
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68 /// Builds a PAM handle and starts the transaction.
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69 pub fn build(self, conv: &impl Conversation) -> Result<OwnedLibPamHandle> {
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70 OwnedLibPamHandle::start(self.service_name, self.username, conv)
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71 }
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72 }
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74 impl OwnedLibPamHandle<'_> {
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75 /// Creates a builder to start a PAM transaction for the given service.
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76 ///
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77 /// The service name is what controls the steps and checks PAM goes through
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78 /// when authenticating a user. This corresponds to the configuration file
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79 /// named <code>/etc/pam.d/<var>service_name</var></code>.
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80 ///
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81 /// For more information, see the [`pam_start` man page][man], or
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82 /// [`pam_start` in the PAM Application Developers' Guide][adg].
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83 ///
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84 /// [man]: https://www.man7.org/linux/man-pages/man3/pam_start.3.html
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85 /// [adg]: https://www.chiark.greenend.org.uk/doc/libpam-doc/html/adg-interface-by-app-expected.html#adg-pam_start
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86 pub fn build_with_service(service_name: String) -> HandleBuilder {
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87 HandleBuilder { service_name, username: None }
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88 }
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89
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90 fn start(
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91 service_name: String,
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92 username: Option<String>,
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93 conversation: &impl Conversation,
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94 ) -> Result<Self> {
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95 let conv = Box::new(LibPamConversation::wrap(conversation));
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96 let service_cstr = CString::new(service_name).map_err(|_| ErrorCode::ConversationError)?;
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97 let username_cstr = memory::prompt_ptr(memory::option_cstr(username.as_deref())?.as_ref());
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98
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99 let mut handle: *mut LibPamHandle = ptr::null_mut();
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100 // SAFETY: We've set everything up properly to call `pam_start`.
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101 // The returned value will be a valid pointer provided the result is OK.
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102 let result = unsafe {
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103 pam_ffi::pam_start(
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104 service_cstr.as_ptr(),
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105 username_cstr,
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106 conv.as_ref(),
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107 &mut handle,
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108 )
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109 };
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110 ErrorCode::result_from(result)?;
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111 Ok(Self {
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112 handle: HandleWrap(handle),
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113 last_return: Cell::new(Ok(())),
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114 conversation: Some(conv),
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115 })
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116 }
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117 }
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118
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119 impl PamHandleApplication for OwnedLibPamHandle<'_> {
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120 fn authenticate(&mut self, flags: Flags) -> Result<()> {
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121 let ret = unsafe { pam_ffi::pam_authenticate(self.handle.0, flags.bits() as c_int) };
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122 let result = ErrorCode::result_from(ret);
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123 self.last_return.set(result);
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124 result
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125 }
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126
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127 fn account_management(&mut self, flags: Flags) -> Result<()> {
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128 let ret = unsafe { pam_ffi::pam_acct_mgmt(self.handle.0, flags.bits() as c_int) };
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129 let result = ErrorCode::result_from(ret);
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130 self.last_return.set(result);
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131 result
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132 }
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133
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134 fn change_authtok(&mut self, flags: Flags) -> Result<()> {
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135 let ret = unsafe { pam_ffi::pam_chauthtok(self.handle.0, flags.bits() as c_int) };
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136 let result = ErrorCode::result_from(ret);
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137 self.last_return.set(result);
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138 result
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139 }
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140 }
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141
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142 // TODO: pam_authenticate - app
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143 // pam_setcred - app
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144 // pam_acct_mgmt - app
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145 // pam_chauthtok - app
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146 // pam_open_session - app
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147 // pam_close_session - app
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148 // pam_putenv - shared
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149 // pam_getenv - shared
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150 // pam_getenvlist - shared
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151
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152 impl Drop for OwnedLibPamHandle<'_> {
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153 /// Closes the PAM session on an owned PAM handle.
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154 ///
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155 /// See the [`pam_end` manual page][man] for more information.
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156 ///
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157 /// [man]: https://www.man7.org/linux/man-pages/man3/pam_end.3.html
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158 fn drop(&mut self) {
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159 unsafe {
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160 pam_ffi::pam_end(
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161 self.handle.0,
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162 ErrorCode::result_to_c(self.last_return.get()),
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163 );
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164 }
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165 }
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166 }
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167
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168 /// Macro to implement getting/setting a CStr-based item.
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169 macro_rules! cstr_item {
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170 (get = $getter:ident, item = $item_type:path) => {
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171 fn $getter(&self) -> Result<Option<String>> {
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172 unsafe { self.get_cstr_item($item_type) }
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173 }
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174 };
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175 (set = $setter:ident, item = $item_type:path) => {
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176 fn $setter(&mut self, value: Option<&str>) -> Result<()> {
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177 unsafe { self.set_cstr_item($item_type, value) }
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178 }
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179 };
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180 }
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181
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182 impl PamShared for LibPamHandle {
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183 fn log(&self, level: Level, entry: &str) {
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184 let entry = match CString::new(entry).or_else(|_| CString::new(dbg!(entry))) {
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185 Ok(cstr) => cstr,
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186 _ => return,
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187 };
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188 #[cfg(pam_impl = "linux-pam")]
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189 {
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190 // SAFETY: We're calling this function with a known value.
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191 unsafe {
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192 pam_ffi::pam_syslog(self, level as c_int, c"%s".as_ptr().cast(), entry.as_ptr())
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193 }
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194 }
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195 #[cfg(pam_impl = "openpam")]
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196 {
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197 // SAFETY: We're calling this function with a known value.
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198 unsafe {
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199 pam_ffi::openpam_log(self, level as c_int, c"%s".as_ptr().cast(), entry.as_ptr())
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200 }
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201 }
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202 }
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203
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204 fn username(&mut self, prompt: Option<&str>) -> Result<String> {
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205 let prompt = memory::option_cstr(prompt)?;
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206 let mut output: *const c_char = ptr::null();
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207 let ret = unsafe {
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208 pam_ffi::pam_get_user(self, &mut output, memory::prompt_ptr(prompt.as_ref()))
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209 };
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210 ErrorCode::result_from(ret)?;
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211 unsafe { memory::copy_pam_string(output) }
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212 .transpose()
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213 .unwrap_or(Err(ErrorCode::ConversationError))
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214 }
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215
98
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216 fn environ(&self) -> impl EnvironMap {
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217 LibPamEnviron::new(self)
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218 }
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219
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220 fn environ_mut(&mut self) -> impl EnvironMapMut {
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221 LibPamEnvironMut::new(self)
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222 }
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223
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224 cstr_item!(get = user_item, item = ItemType::User);
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225 cstr_item!(set = set_user_item, item = ItemType::User);
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226 cstr_item!(get = service, item = ItemType::Service);
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227 cstr_item!(set = set_service, item = ItemType::Service);
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228 cstr_item!(get = user_prompt, item = ItemType::UserPrompt);
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229 cstr_item!(set = set_user_prompt, item = ItemType::UserPrompt);
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230 cstr_item!(get = tty_name, item = ItemType::Tty);
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231 cstr_item!(set = set_tty_name, item = ItemType::Tty);
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232 cstr_item!(get = remote_user, item = ItemType::RemoteUser);
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233 cstr_item!(set = set_remote_user, item = ItemType::RemoteUser);
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234 cstr_item!(get = remote_host, item = ItemType::RemoteHost);
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235 cstr_item!(set = set_remote_host, item = ItemType::RemoteHost);
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236 cstr_item!(set = set_authtok_item, item = ItemType::AuthTok);
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237 cstr_item!(set = set_old_authtok_item, item = ItemType::OldAuthTok);
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238 }
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239
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240 impl Conversation for LibPamHandle {
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241 fn communicate(&self, messages: &[Message]) {
77
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242 match self.conversation_item() {
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243 Ok(conv) => conv.communicate(messages),
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244 Err(e) => {
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245 for msg in messages {
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246 msg.set_error(e)
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247 }
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248 }
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249 }
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250 }
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251 }
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252
80
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253 impl PamHandleModule for LibPamHandle {
95
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254 fn authtok(&mut self, prompt: Option<&str>) -> Result<String> {
73
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255 let prompt = memory::option_cstr(prompt)?;
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256 let mut output: *const c_char = ptr::null_mut();
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257 // SAFETY: We're calling this with known-good values.
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258 let res = unsafe {
80
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diff changeset
259 pam_ffi::pam_get_authtok(
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260 self,
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261 ItemType::AuthTok.into(),
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262 &mut output,
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263 memory::prompt_ptr(prompt.as_ref()),
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264 )
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265 };
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266 ErrorCode::result_from(res)?;
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267 // SAFETY: We got this string from PAM.
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268 unsafe { memory::copy_pam_string(output) }
73
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269 .transpose()
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270 .unwrap_or(Err(ErrorCode::ConversationError))
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271 }
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272
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273 cstr_item!(get = authtok_item, item = ItemType::AuthTok);
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274 cstr_item!(get = old_authtok_item, item = ItemType::OldAuthTok);
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275 }
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276
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277 /// Function called at the end of a PAM session that is called to clean up
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278 /// a value previously provided to PAM in a `pam_set_data` call.
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279 ///
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280 /// You should never call this yourself.
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281 extern "C" fn set_data_cleanup<T>(_: *const libc::c_void, c_data: *mut libc::c_void, _: c_int) {
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282 unsafe {
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283 let _data: Box<T> = Box::from_raw(c_data.cast());
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284 }
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285 }
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286
80
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diff changeset
287 impl LibPamHandle {
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288 /// Gets a C string item.
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289 ///
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290 /// # Safety
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291 ///
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292 /// You better be requesting an item which is a C string.
95
51c9d7e8261a Return owned strings rather than borrowed strings.
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diff changeset
293 unsafe fn get_cstr_item(&self, item_type: ItemType) -> Result<Option<String>> {
80
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
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diff changeset
294 let mut output = ptr::null();
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295 let ret = unsafe { pam_ffi::pam_get_item(self, item_type as c_int, &mut output) };
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diff changeset
296 ErrorCode::result_from(ret)?;
95
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diff changeset
297 memory::copy_pam_string(output.cast())
80
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diff changeset
298 }
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299
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300 /// Sets a C string item.
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diff changeset
301 ///
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302 /// # Safety
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303 ///
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304 /// You better be setting an item which is a C string.
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diff changeset
305 unsafe fn set_cstr_item(&mut self, item_type: ItemType, data: Option<&str>) -> Result<()> {
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diff changeset
306 let data_str = memory::option_cstr(data)?;
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diff changeset
307 let ret = unsafe {
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diff changeset
308 pam_ffi::pam_set_item(
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diff changeset
309 self,
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diff changeset
310 item_type as c_int,
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diff changeset
311 memory::prompt_ptr(data_str.as_ref()).cast(),
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diff changeset
312 )
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313 };
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diff changeset
314 ErrorCode::result_from(ret)
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315 }
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316
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317 /// Gets the `PAM_CONV` item from the handle.
96
f3e260f9ddcb Make conversation trait use immutable references.
Paul Fisher <paul@pfish.zone>
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diff changeset
318 fn conversation_item(&self) -> Result<&mut LibPamConversation<'_>> {
80
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diff changeset
319 let output: *mut LibPamConversation = ptr::null_mut();
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diff changeset
320 let result = unsafe {
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diff changeset
321 pam_ffi::pam_get_item(
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diff changeset
322 self,
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diff changeset
323 ItemType::Conversation.into(),
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diff changeset
324 &mut output.cast_const().cast(),
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325 )
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diff changeset
326 };
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diff changeset
327 ErrorCode::result_from(result)?;
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328 // SAFETY: We got this result from PAM, and we're checking if it's null.
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parents: 78
diff changeset
329 unsafe { output.as_mut() }.ok_or(ErrorCode::ConversationError)
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diff changeset
330 }
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diff changeset
331 }
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diff changeset
332
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Paul Fisher <paul@pfish.zone>
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diff changeset
333 macro_rules! delegate {
98
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diff changeset
334 // First have the kind that save the result after delegation.
80
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
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parents: 78
diff changeset
335 (fn $meth:ident(&self $(, $param:ident: $typ:ty)*) -> Result<$ret:ty>) => {
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diff changeset
336 fn $meth(&self $(, $param: $typ)*) -> Result<$ret> {
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parents: 78
diff changeset
337 let result = self.handle.$meth($($param),*);
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parents: 78
diff changeset
338 self.last_return.set(split(&result));
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Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
339 result
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diff changeset
340 }
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Paul Fisher <paul@pfish.zone>
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diff changeset
341 };
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Paul Fisher <paul@pfish.zone>
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diff changeset
342 (fn $meth:ident(&mut self $(, $param:ident: $typ:ty)*) -> Result<$ret:ty>) => {
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Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
343 fn $meth(&mut self $(, $param: $typ)*) -> Result<$ret> {
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parents: 78
diff changeset
344 let result = self.handle.$meth($($param),*);
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parents: 78
diff changeset
345 self.last_return.set(split(&result));
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Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
346 result
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diff changeset
347 }
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Paul Fisher <paul@pfish.zone>
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diff changeset
348 };
98
b87100c5eed4 Start on environment variables, and make pointers nicer.
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parents: 97
diff changeset
349 // Then have the kind that are just raw delegates
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diff changeset
350 (fn $meth:ident(&self $(, $param:ident: $typ:ty)*) -> $ret:ty) => {
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Paul Fisher <paul@pfish.zone>
parents: 97
diff changeset
351 fn $meth(&self $(, $param: $typ)*) -> $ret {
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Paul Fisher <paul@pfish.zone>
parents: 97
diff changeset
352 self.handle.$meth($($param),*)
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Paul Fisher <paul@pfish.zone>
parents: 97
diff changeset
353 }
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Paul Fisher <paul@pfish.zone>
parents: 97
diff changeset
354 };
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Paul Fisher <paul@pfish.zone>
parents: 97
diff changeset
355 (fn $meth:ident(&mut self $(, $param:ident: $typ:ty)*) -> $ret:ty) => {
b87100c5eed4 Start on environment variables, and make pointers nicer.
Paul Fisher <paul@pfish.zone>
parents: 97
diff changeset
356 fn $meth(&mut self $(, $param: $typ)*) -> $ret {
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Paul Fisher <paul@pfish.zone>
parents: 97
diff changeset
357 self.handle.$meth($($param),*)
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Paul Fisher <paul@pfish.zone>
parents: 97
diff changeset
358 }
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Paul Fisher <paul@pfish.zone>
parents: 97
diff changeset
359 };
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Paul Fisher <paul@pfish.zone>
parents: 97
diff changeset
360 // Then have item getters / setters
80
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
361 (get = $get:ident$(, set = $set:ident)?) => {
95
51c9d7e8261a Return owned strings rather than borrowed strings.
Paul Fisher <paul@pfish.zone>
parents: 92
diff changeset
362 delegate!(fn $get(&self) -> Result<Option<String>>);
80
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
363 $(delegate!(set = $set);)?
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Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
364 };
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
365 (set = $set:ident) => {
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
366 delegate!(fn $set(&mut self, value: Option<&str>) -> Result<()>);
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Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
367 };
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
368 }
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
369
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
370 fn split<T>(result: &Result<T>) -> Result<()> {
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
371 result.as_ref().map(drop).map_err(|&e| e)
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
372 }
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
373
90
f6186e41399b Miscellaneous fixes and cleanup:
Paul Fisher <paul@pfish.zone>
parents: 80
diff changeset
374 impl PamShared for OwnedLibPamHandle<'_> {
98
b87100c5eed4 Start on environment variables, and make pointers nicer.
Paul Fisher <paul@pfish.zone>
parents: 97
diff changeset
375 delegate!(fn log(&self, level: Level, entry: &str) -> ());
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Paul Fisher <paul@pfish.zone>
parents: 97
diff changeset
376 delegate!(fn environ(&self) -> impl EnvironMap);
b87100c5eed4 Start on environment variables, and make pointers nicer.
Paul Fisher <paul@pfish.zone>
parents: 97
diff changeset
377 delegate!(fn environ_mut(&mut self) -> impl EnvironMapMut);
95
51c9d7e8261a Return owned strings rather than borrowed strings.
Paul Fisher <paul@pfish.zone>
parents: 92
diff changeset
378 delegate!(fn username(&mut self, prompt: Option<&str>) -> Result<String>);
80
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
379 delegate!(get = user_item, set = set_user_item);
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
380 delegate!(get = service, set = set_service);
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Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
381 delegate!(get = user_prompt, set = set_user_prompt);
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
382 delegate!(get = tty_name, set = set_tty_name);
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
383 delegate!(get = remote_user, set = set_remote_user);
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
384 delegate!(get = remote_host, set = set_remote_host);
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
385 delegate!(set = set_authtok_item);
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Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
386 delegate!(set = set_old_authtok_item);
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Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
387 }
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
388
73
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
389 /// Identifies what is being gotten or set with `pam_get_item`
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Paul Fisher <paul@pfish.zone>
parents:
diff changeset
390 /// or `pam_set_item`.
80
5aa1a010f1e8 Start using PAM headers; improve owned/borrowed distinction.
Paul Fisher <paul@pfish.zone>
parents: 78
diff changeset
391 #[derive(TryFromPrimitive, IntoPrimitive)]
73
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
392 #[repr(i32)]
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Paul Fisher <paul@pfish.zone>
parents:
diff changeset
393 #[non_exhaustive] // because C could give us anything!
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
394 pub enum ItemType {
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
395 /// The PAM service name.
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Paul Fisher <paul@pfish.zone>
parents:
diff changeset
396 Service = 1,
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Paul Fisher <paul@pfish.zone>
parents:
diff changeset
397 /// The user's login name.
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Paul Fisher <paul@pfish.zone>
parents:
diff changeset
398 User = 2,
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
399 /// The TTY name.
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Paul Fisher <paul@pfish.zone>
parents:
diff changeset
400 Tty = 3,
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
401 /// The remote host (if applicable).
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
402 RemoteHost = 4,
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
403 /// The conversation struct (not a CStr-based item).
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
404 Conversation = 5,
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
405 /// The authentication token (password).
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
406 AuthTok = 6,
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
407 /// The old authentication token (when changing passwords).
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
408 OldAuthTok = 7,
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
409 /// The remote user's name.
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
410 RemoteUser = 8,
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
411 /// The prompt shown when requesting a username.
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
412 UserPrompt = 9,
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
413 /// App-supplied function to override failure delays.
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
414 FailDelay = 10,
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
415 /// X display name.
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
416 XDisplay = 11,
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
417 /// X server authentication data.
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
418 XAuthData = 12,
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
419 /// The type of `pam_get_authtok`.
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Paul Fisher <paul@pfish.zone>
parents:
diff changeset
420 AuthTokType = 13,
ac6881304c78 Do conversations, along with way too much stuff.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
421 }