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annotate libpam-sys/src/constants.rs @ 108:e97534be35e3

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Make some proc macros for doing cfg-like stuff for PAM impls.
author Paul Fisher <paul@pfish.zone>
date Sat, 28 Jun 2025 00:34:45 -0400
parents 49d9e2b5c189
children bb465393621f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
106
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1 //! All the constants.
108
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2
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3 // We have to enable these otherwise we get lit up with warnings
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4 // during conditional compilation.
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5 #![allow(dead_code, unused_imports)]
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6
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7 /// Macro to make defining a bunch of constants way easier.
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8 macro_rules! define {
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9 ($(#[$attr:meta])* $($name:ident = $value:expr);+$(;)?) => {
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10 define!(
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11 @meta { $(#[$attr])* }
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12 $(pub const $name: u32 = $value;)+
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13 );
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14 };
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15 (@meta $m:tt $($i:item)+) => { define!(@expand $($m $i)+); };
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16 (@expand $({ $(#[$m:meta])* } $i:item)+) => {$($(#[$m])* $i)+};
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17 }
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18
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19 #[cfg(feature = "use-system-headers")]
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20 pub use system_headers::*;
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21
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22 #[cfg(not(feature = "use-system-headers"))]
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23 pub use export::*;
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24
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25 mod export {
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26 // There are a few truly universal constants.
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27 // They are defined here directly.
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28 pub const PAM_SUCCESS: u32 = 0;
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29
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30 define!(
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31 /// An item type.
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32 PAM_SERVICE = 1;
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33 PAM_USER = 2;
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34 PAM_TTY = 3;
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35 PAM_RHOST = 4;
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36 PAM_CONV = 5;
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37 PAM_AUTHTOK = 6;
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38 PAM_OLDAUTHTOK = 7;
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39 PAM_RUSER = 8;
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40 );
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41
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42 define!(
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43 /// A message style.
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44 PAM_PROMPT_ECHO_OFF = 1;
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45 PAM_PROMPT_ECHO_ON = 2;
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46 PAM_ERROR_MSG = 3;
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47 PAM_TEXT_INFO = 4;
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48 );
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49
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50 define!(
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51 /// Maximum size of PAM conversation elements (suggested).
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52 PAM_MAX_NUM_MSG = 32;
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53 PAM_MAX_MSG_SIZE = 512;
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54 PAM_MAX_RESP_SIZE = 512;
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55 );
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56
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57 #[cfg(pam_impl = "linux-pam")]
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58 pub use super::linux_pam::*;
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59
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60 #[cfg(not(pam_impl = "linux-pam"))]
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61 pub use super::illumos_openpam::*;
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62
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63 #[cfg(pam_impl = "illumos")]
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64 pub use super::illumos::*;
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65
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66 #[cfg(pam_impl = "openpam")]
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67 pub use super::openpam::*;
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68 }
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69
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70 /// Constants extracted from PAM header files.
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71 mod system_headers {
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72 // include!(concat!(env!("OUT_DIR"), "/constants.rs"));
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73 }
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74
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75 /// Constants used by Linux-PAM.
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76 mod linux_pam {
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77 define!(
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78 /// An error code.
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79 PAM_OPEN_ERR = 1;
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80 PAM_SYMBOL_ERR = 2;
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81 PAM_SERVICE_ERR = 3;
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82 PAM_SYSTEM_ERR = 4;
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83 PAM_BUF_ERR = 5;
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84 PAM_PERM_DENIED = 6;
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85 PAM_AUTH_ERR = 7;
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86 PAM_CRED_INSUFFICIENT = 8;
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87 PAM_AUTHINFO_UNAVAIL = 9;
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88 PAM_USER_UNKNOWN = 10;
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89 PAM_MAXTRIES = 11;
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90 PAM_NEW_AUTHTOK_REQD = 12;
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91 PAM_ACCT_EXPIRED = 13;
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92 PAM_SESSION_ERR = 14;
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93 PAM_CRED_UNAVAIL = 15;
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94 PAM_CRED_EXPIRED = 16;
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95 PAM_CRED_ERR = 17;
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96 PAM_NO_MODULE_DATA = 18;
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97 PAM_CONV_ERR = 19;
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98 PAM_AUTHTOK_ERR = 20;
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99 PAM_AUTHTOK_RECOVERY_ERR = 21;
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100 PAM_AUTHTOK_LOCK_BUSY = 22;
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101 PAM_AUTHTOK_DISABLE_AGING = 23;
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102 PAM_TRY_AGAIN = 24;
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103 PAM_IGNORE = 25;
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104 PAM_ABORT = 26;
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105 PAM_AUTHTOK_EXPIRED = 27;
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106 PAM_MODULE_UNKNOWN = 28;
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107 PAM_BAD_ITEM = 29;
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108 PAM_CONV_AGAIN = 30;
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109 PAM_INCOMPLETE = 31;
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110 _PAM_RETURN_VALUES = 32;
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111 );
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112
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113 define!(
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114 /// A flag value.
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115 PAM_SILENT = 0x8000;
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116 PAM_DISALLOW_NULL_AUTHTOK = 0x0001;
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117 PAM_ESTABLISH_CRED = 0x0002;
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118 PAM_DELETE_CRED = 0x0004;
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119 PAM_REINITIALIZE_CRED = 0x0008;
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120 PAM_REFRESH_CRED = 0x0010;
106
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121
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122 PAM_CHANGE_EXPIRED_AUTHTOK = 0x0020;
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123
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124 PAM_PRELIM_CHECK = 0x4000;
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125 PAM_UPDATE_AUTHTOK = 0x2000;
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126 PAM_DATA_REPLACE = 0x20000000;
106
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127 );
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128
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129 define!(
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130 PAM_USER_PROMPT = 9;
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131 PAM_FAIL_DELAY = 10;
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132 PAM_XDISPLAY = 11;
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133 PAM_XAUTHDATA = 12;
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134 PAM_AUTHTOKTYPE = 13;
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135 );
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136
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137 /// To suppress messages in the item cleanup function.
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138 pub const PAM_DATA_SILENT: u32 = 0x40000000;
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139
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140 // Message styles
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141 define!(
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142 /// A message style.
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143 PAM_RADIO_TYPE = 5;
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144 PAM_BINARY_PROMPT = 7;
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145 );
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146 }
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147
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148 /// Constants shared between Illumos and OpenPAM.
108
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149 mod illumos_openpam {
106
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150 define!(
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151 /// An error code.
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152 PAM_OPEN_ERR = 1;
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153 PAM_SYMBOL_ERR = 2;
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154 PAM_SERVICE_ERR = 3;
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155 PAM_SYSTEM_ERR = 4;
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156 PAM_BUF_ERR = 5;
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157 PAM_CONV_ERR = 6;
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158 PAM_PERM_DENIED = 7;
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159 PAM_MAXTRIES = 8;
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160 PAM_AUTH_ERR = 9;
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161 PAM_NEW_AUTHTOK_REQD = 10;
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162 PAM_CRED_INSUFFICIENT = 11;
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163 PAM_AUTHINFO_UNAVAIL = 12;
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164 PAM_USER_UNKNOWN = 13;
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165 PAM_CRED_UNAVAIL = 14;
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166 PAM_CRED_EXPIRED = 15;
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167 PAM_CRED_ERR = 16;
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168 PAM_ACCT_EXPIRED = 17;
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169 PAM_AUTHTOK_EXPIRED = 18;
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170 PAM_SESSION_ERR = 19;
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171 PAM_AUTHTOK_ERR = 20;
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172 PAM_AUTHTOK_RECOVERY_ERR = 21;
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173 PAM_AUTHTOK_LOCK_BUSY = 22;
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174 PAM_AUTHTOK_DISABLE_AGING = 23;
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175 PAM_NO_MODULE_DATA = 24;
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176 PAM_IGNORE = 25;
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177 PAM_ABORT = 26;
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178 PAM_TRY_AGAIN = 27;
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179 );
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180
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181 define!(
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182 /// An item type.
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183 PAM_USER_PROMPT = 9;
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184 PAM_REPOSITORY = 10;
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185 );
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186
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187 /// A general flag for PAM operations.
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188 pub const PAM_SILENT: u32 = 0x80000000;
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189
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190 /// The password must be non-null.
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191 pub const PAM_DISALLOW_NULL_AUTHTOK: u32 = 0b1;
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192
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193 define!(
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194 /// A flag for `pam_setcred`.
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195 PAM_ESTABLISH_CRED = 0b0001;
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196 PAM_DELETE_CRED = 0b0010;
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197 PAM_REINITIALIZE_CRED = 0b0100;
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198 PAM_REFRESH_CRED = 0b1000;
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199 );
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200
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201 define!(
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202 /// A flag for `pam_chauthtok`.
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203 PAM_PRELIM_CHECK = 0b0001;
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204 PAM_UPDATE_AUTHTOK = 0b0010;
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205 PAM_CHANGE_EXPIRED_AUTHTOK = 0b0100;
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206 );
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207 }
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208
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209 /// Constants exclusive to Illumos.
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210 mod illumos {
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211 /// The total number of PAM error codes.
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212 pub const PAM_TOTAL_ERRNUM: u32 = 28;
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213
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214 define!(
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215 /// An item type.
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216 PAM_RESOURCE = 11;
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217 PAM_AUSER = 12;
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218 );
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219
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220 /// A flag for `pam_chauthtok`.
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221 pub const PAM_NO_AUTHTOK_CHECK: u32 = 0b1000;
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222 }
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223
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224 /// Constants exclusive to OpenPAM.
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225 mod openpam {
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226 define!(
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227 /// An error code.
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228 PAM_MODULE_UNKNOWN = 28;
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229 PAM_DOMAIN_UNKNOWN = 29;
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230 PAM_BAD_HANDLE = 30;
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231 PAM_BAD_ITEM = 31;
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232 PAM_BAD_FEATURE = 32;
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233 PAM_BAD_CONSTANT = 33;
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234 );
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235 /// The total number of PAM error codes.
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236 pub const PAM_NUM_ERRORS: i32 = 34;
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237
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238 define!(
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239 /// An item type.
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240 PAM_AUTHTOK_PROMPT = 11;
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241 PAM_OLDAUTHTOK_PROMPT = 12;
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242 PAM_HOST = 13;
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243 );
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244 /// The total number of PAM items.
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245 pub const PAM_NUM_ITEMS: u32 = 14;
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246 }
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247
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248 #[cfg(test)]
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249 mod test {}