1 | /*
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2 | Unix SMB/CIFS implementation.
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3 | passdb structures and parameters
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4 | Copyright (C) Gerald Carter 2001
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5 | Copyright (C) Luke Kenneth Casson Leighton 1998 - 2000
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6 | Copyright (C) Andrew Bartlett 2002
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7 | Copyright (C) Simo Sorce 2003
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8 |
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9 | This program is free software; you can redistribute it and/or modify
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10 | it under the terms of the GNU General Public License as published by
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11 | the Free Software Foundation; either version 3 of the License, or
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12 | (at your option) any later version.
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13 |
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14 | This program is distributed in the hope that it will be useful,
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15 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 | GNU General Public License for more details.
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18 |
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19 | You should have received a copy of the GNU General Public License
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20 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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21 | */
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22 |
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23 | #ifndef _PASSDB_H
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24 | #define _PASSDB_H
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25 |
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26 | /**********************************************************************
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27 | * Masks for mappings between unix uid and gid types and
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28 | * NT RIDS.
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29 | **********************************************************************/
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30 |
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31 | #define BASE_RID (0x000003E8L)
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32 |
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33 | /* Take the bottom bit. */
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34 | #define RID_TYPE_MASK 1
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35 | #define RID_MULTIPLIER 2
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36 |
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37 | /* The two common types. */
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38 | #define USER_RID_TYPE 0
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39 | #define GROUP_RID_TYPE 1
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40 |
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41 | /*
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42 | * bit flags representing initialized fields in struct samu
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43 | */
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44 | enum pdb_elements {
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45 | PDB_UNINIT,
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46 | PDB_SMBHOME,
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47 | PDB_PROFILE,
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48 | PDB_DRIVE,
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49 | PDB_LOGONSCRIPT,
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50 | PDB_LOGONTIME,
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51 | PDB_LOGOFFTIME,
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52 | PDB_KICKOFFTIME,
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53 | PDB_BAD_PASSWORD_TIME,
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54 | PDB_CANCHANGETIME,
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55 | PDB_MUSTCHANGETIME,
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56 | PDB_PLAINTEXT_PW,
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57 | PDB_USERNAME,
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58 | PDB_FULLNAME,
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59 | PDB_DOMAIN,
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60 | PDB_NTUSERNAME,
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61 | PDB_HOURSLEN,
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62 | PDB_LOGONDIVS,
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63 | PDB_USERSID,
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64 | PDB_GROUPSID,
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65 | PDB_ACCTCTRL,
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66 | PDB_PASSLASTSET,
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67 | PDB_ACCTDESC,
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68 | PDB_WORKSTATIONS,
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69 | PDB_COMMENT,
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70 | PDB_MUNGEDDIAL,
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71 | PDB_HOURS,
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72 | PDB_FIELDS_PRESENT,
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73 | PDB_BAD_PASSWORD_COUNT,
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74 | PDB_LOGON_COUNT,
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75 | PDB_UNKNOWN6,
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76 | PDB_LMPASSWD,
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77 | PDB_NTPASSWD,
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78 | PDB_PWHISTORY,
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79 | PDB_BACKEND_PRIVATE_DATA,
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80 |
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81 | /* this must be the last element */
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82 | PDB_COUNT
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83 | };
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84 |
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85 | enum pdb_group_elements {
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86 | PDB_GROUP_NAME,
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87 | PDB_GROUP_SID,
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88 | PDB_GROUP_SID_NAME_USE,
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89 | PDB_GROUP_MEMBERS,
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90 |
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91 | /* this must be the last element */
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92 | PDB_GROUP_COUNT
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93 | };
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94 |
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95 |
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96 | enum pdb_value_state {
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97 | PDB_DEFAULT=0,
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98 | PDB_SET,
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99 | PDB_CHANGED
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100 | };
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101 |
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102 | #define IS_SAM_SET(x, flag) (pdb_get_init_flags(x, flag) == PDB_SET)
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103 | #define IS_SAM_CHANGED(x, flag) (pdb_get_init_flags(x, flag) == PDB_CHANGED)
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104 | #define IS_SAM_DEFAULT(x, flag) (pdb_get_init_flags(x, flag) == PDB_DEFAULT)
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105 |
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106 | /* cache for bad password lockout data, to be used on replicated SAMs */
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107 | typedef struct logon_cache_struct {
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108 | time_t entry_timestamp;
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109 | uint32 acct_ctrl;
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110 | uint16 bad_password_count;
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111 | time_t bad_password_time;
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112 | } LOGIN_CACHE;
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113 |
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114 | #define SAMU_BUFFER_V0 0
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115 | #define SAMU_BUFFER_V1 1
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116 | #define SAMU_BUFFER_V2 2
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117 | #define SAMU_BUFFER_V3 3
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118 | /* nothing changed from V3 to V4 */
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119 | #define SAMU_BUFFER_V4 4
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120 | #define SAMU_BUFFER_LATEST SAMU_BUFFER_V4
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121 |
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122 | struct samu {
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123 | struct pdb_methods *methods;
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124 |
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125 | /* initialization flags */
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126 | struct bitmap *change_flags;
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127 | struct bitmap *set_flags;
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128 |
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129 | time_t logon_time; /* logon time */
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130 | time_t logoff_time; /* logoff time */
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131 | time_t kickoff_time; /* kickoff time */
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132 | time_t bad_password_time; /* last bad password entered */
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133 | time_t pass_last_set_time; /* password last set time */
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134 | time_t pass_can_change_time; /* password can change time */
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135 | time_t pass_must_change_time; /* password must change time */
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136 |
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137 | const char *username; /* UNIX username string */
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138 | const char *domain; /* Windows Domain name */
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139 | const char *nt_username; /* Windows username string */
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140 | const char *full_name; /* user's full name string */
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141 | const char *home_dir; /* home directory string */
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142 | const char *dir_drive; /* home directory drive string */
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143 | const char *logon_script; /* logon script string */
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144 | const char *profile_path; /* profile path string */
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145 | const char *acct_desc; /* user description string */
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146 | const char *workstations; /* login from workstations string */
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147 | const char *comment;
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148 | const char *munged_dial; /* munged path name and dial-back tel number */
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149 |
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150 | DOM_SID user_sid;
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151 | DOM_SID *group_sid;
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152 |
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153 | DATA_BLOB lm_pw; /* .data is Null if no password */
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154 | DATA_BLOB nt_pw; /* .data is Null if no password */
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155 | DATA_BLOB nt_pw_his; /* nt hashed password history .data is Null if not available */
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156 | char* plaintext_pw; /* is Null if not available */
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157 |
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158 | uint32 acct_ctrl; /* account info (ACB_xxxx bit-mask) */
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159 | uint32 fields_present; /* 0x00ff ffff */
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160 |
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161 | uint16 logon_divs; /* 168 - number of hours in a week */
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162 | uint32 hours_len; /* normally 21 bytes */
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163 | uint8 hours[MAX_HOURS_LEN];
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164 |
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165 | /* Was unknown_5. */
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166 | uint16 bad_password_count;
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167 | uint16 logon_count;
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168 |
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169 | uint32 unknown_6; /* 0x0000 04ec */
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170 |
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171 | /* a tag for who added the private methods */
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172 |
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173 | const struct pdb_methods *backend_private_methods;
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174 | void *backend_private_data;
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175 | void (*backend_private_data_free_fn)(void **);
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176 |
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177 | /* maintain a copy of the user's struct passwd */
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178 |
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179 | struct passwd *unix_pw;
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180 | };
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181 |
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182 | struct acct_info {
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183 | fstring acct_name; /* account name */
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184 | fstring acct_desc; /* account name */
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185 | uint32 rid; /* domain-relative RID */
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186 | };
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187 |
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188 | struct samr_displayentry {
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189 | uint32 idx;
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190 | uint32 rid;
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191 | uint32 acct_flags;
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192 | const char *account_name;
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193 | const char *fullname;
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194 | const char *description;
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195 | };
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196 |
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197 | enum pdb_search_type {
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198 | PDB_USER_SEARCH,
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199 | PDB_GROUP_SEARCH,
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200 | PDB_ALIAS_SEARCH
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201 | };
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202 |
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203 | struct pdb_search {
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204 | enum pdb_search_type type;
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205 | struct samr_displayentry *cache;
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206 | uint32 num_entries;
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207 | ssize_t cache_size;
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208 | bool search_ended;
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209 | void *private_data;
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210 | bool (*next_entry)(struct pdb_search *search,
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211 | struct samr_displayentry *entry);
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212 | void (*search_end)(struct pdb_search *search);
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213 | };
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214 |
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215 | struct pdb_domain_info {
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216 | char *name;
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217 | char *dns_domain;
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218 | char *dns_forest;
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219 | struct dom_sid sid;
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220 | struct GUID guid;
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221 | };
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222 |
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223 | /*
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224 | * Types of account policy.
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225 | */
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226 | enum pdb_policy_type {
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227 | PDB_POLICY_MIN_PASSWORD_LEN = 1,
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228 | PDB_POLICY_PASSWORD_HISTORY = 2,
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229 | PDB_POLICY_USER_MUST_LOGON_TO_CHG_PASS = 3,
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230 | PDB_POLICY_MAX_PASSWORD_AGE = 4,
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231 | PDB_POLICY_MIN_PASSWORD_AGE = 5,
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232 | PDB_POLICY_LOCK_ACCOUNT_DURATION = 6,
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233 | PDB_POLICY_RESET_COUNT_TIME = 7,
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234 | PDB_POLICY_BAD_ATTEMPT_LOCKOUT = 8,
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235 | PDB_POLICY_TIME_TO_LOGOUT = 9,
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236 | PDB_POLICY_REFUSE_MACHINE_PW_CHANGE = 10
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237 | };
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238 |
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239 | #define PDB_CAP_STORE_RIDS 0x0001
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240 | #define PDB_CAP_ADS 0x0002
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241 |
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242 | /*****************************************************************
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243 | Functions to be implemented by the new (v2) passdb API
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244 | ****************************************************************/
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245 |
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246 | /*
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247 | * This next constant specifies the version number of the PASSDB interface
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248 | * this SAMBA will load. Increment this if *ANY* changes are made to the interface.
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249 | * Changed interface to fix int -> size_t problems. JRA.
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250 | * There's no point in allocating arrays in
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251 | * samr_lookup_rids twice. It was done in the srv_samr_nt.c code as well as in
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252 | * the pdb module. Remove the latter, this might happen more often. VL.
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253 | * changed to version 14 to move lookup_rids and lookup_names to return
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254 | * enum lsa_SidType rather than uint32.
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255 | * Changed to 16 for access to the trusted domain passwords (obnox).
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256 | * Changed to 17, the sampwent interface is gone.
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257 | * Changed to 18, pdb_rid_algorithm -> pdb_capabilities
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258 | * Changed to 19, removed uid_to_rid
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259 | */
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260 |
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261 | #define PASSDB_INTERFACE_VERSION 19
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262 |
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263 | struct pdb_methods
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264 | {
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265 | const char *name; /* What name got this module */
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266 |
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267 | struct pdb_domain_info *(*get_domain_info)(struct pdb_methods *,
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268 | TALLOC_CTX *mem_ctx);
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269 |
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270 | NTSTATUS (*getsampwnam)(struct pdb_methods *, struct samu *sam_acct, const char *username);
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271 |
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272 | NTSTATUS (*getsampwsid)(struct pdb_methods *, struct samu *sam_acct, const DOM_SID *sid);
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273 |
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274 | NTSTATUS (*create_user)(struct pdb_methods *, TALLOC_CTX *tmp_ctx,
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275 | const char *name, uint32 acct_flags,
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276 | uint32 *rid);
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277 |
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278 | NTSTATUS (*delete_user)(struct pdb_methods *, TALLOC_CTX *tmp_ctx,
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279 | struct samu *sam_acct);
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280 |
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281 | NTSTATUS (*add_sam_account)(struct pdb_methods *, struct samu *sampass);
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282 |
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283 | NTSTATUS (*update_sam_account)(struct pdb_methods *, struct samu *sampass);
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284 |
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285 | NTSTATUS (*delete_sam_account)(struct pdb_methods *, struct samu *username);
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286 |
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287 | NTSTATUS (*rename_sam_account)(struct pdb_methods *, struct samu *oldname, const char *newname);
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288 |
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289 | NTSTATUS (*update_login_attempts)(struct pdb_methods *methods, struct samu *sam_acct, bool success);
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290 |
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291 | NTSTATUS (*getgrsid)(struct pdb_methods *methods, GROUP_MAP *map, DOM_SID sid);
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292 |
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293 | NTSTATUS (*getgrgid)(struct pdb_methods *methods, GROUP_MAP *map, gid_t gid);
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294 |
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295 | NTSTATUS (*getgrnam)(struct pdb_methods *methods, GROUP_MAP *map, const char *name);
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296 |
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297 | NTSTATUS (*create_dom_group)(struct pdb_methods *methods,
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298 | TALLOC_CTX *mem_ctx, const char *name,
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299 | uint32 *rid);
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300 |
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301 | NTSTATUS (*delete_dom_group)(struct pdb_methods *methods,
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302 | TALLOC_CTX *mem_ctx, uint32 rid);
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303 |
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304 | NTSTATUS (*add_group_mapping_entry)(struct pdb_methods *methods,
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305 | GROUP_MAP *map);
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306 |
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307 | NTSTATUS (*update_group_mapping_entry)(struct pdb_methods *methods,
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308 | GROUP_MAP *map);
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309 |
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310 | NTSTATUS (*delete_group_mapping_entry)(struct pdb_methods *methods,
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311 | DOM_SID sid);
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312 |
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313 | NTSTATUS (*enum_group_mapping)(struct pdb_methods *methods,
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314 | const DOM_SID *sid, enum lsa_SidType sid_name_use,
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315 | GROUP_MAP **pp_rmap, size_t *p_num_entries,
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316 | bool unix_only);
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317 |
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318 | NTSTATUS (*enum_group_members)(struct pdb_methods *methods,
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319 | TALLOC_CTX *mem_ctx,
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320 | const DOM_SID *group,
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321 | uint32 **pp_member_rids,
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322 | size_t *p_num_members);
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323 |
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324 | NTSTATUS (*enum_group_memberships)(struct pdb_methods *methods,
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325 | TALLOC_CTX *mem_ctx,
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326 | struct samu *user,
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327 | DOM_SID **pp_sids, gid_t **pp_gids,
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328 | size_t *p_num_groups);
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329 |
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330 | NTSTATUS (*set_unix_primary_group)(struct pdb_methods *methods,
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331 | TALLOC_CTX *mem_ctx,
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332 | struct samu *user);
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333 |
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334 | NTSTATUS (*add_groupmem)(struct pdb_methods *methods,
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335 | TALLOC_CTX *mem_ctx,
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336 | uint32 group_rid, uint32 member_rid);
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337 |
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338 | NTSTATUS (*del_groupmem)(struct pdb_methods *methods,
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339 | TALLOC_CTX *mem_ctx,
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340 | uint32 group_rid, uint32 member_rid);
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341 |
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342 | NTSTATUS (*create_alias)(struct pdb_methods *methods,
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343 | const char *name, uint32 *rid);
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344 |
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345 | NTSTATUS (*delete_alias)(struct pdb_methods *methods,
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346 | const DOM_SID *sid);
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347 |
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348 | NTSTATUS (*get_aliasinfo)(struct pdb_methods *methods,
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349 | const DOM_SID *sid,
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350 | struct acct_info *info);
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351 |
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352 | NTSTATUS (*set_aliasinfo)(struct pdb_methods *methods,
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353 | const DOM_SID *sid,
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354 | struct acct_info *info);
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355 |
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356 | NTSTATUS (*add_aliasmem)(struct pdb_methods *methods,
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357 | const DOM_SID *alias, const DOM_SID *member);
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358 | NTSTATUS (*del_aliasmem)(struct pdb_methods *methods,
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359 | const DOM_SID *alias, const DOM_SID *member);
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360 | NTSTATUS (*enum_aliasmem)(struct pdb_methods *methods,
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361 | const DOM_SID *alias, TALLOC_CTX *mem_ctx,
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362 | DOM_SID **members, size_t *p_num_members);
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363 | NTSTATUS (*enum_alias_memberships)(struct pdb_methods *methods,
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364 | TALLOC_CTX *mem_ctx,
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365 | const DOM_SID *domain_sid,
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366 | const DOM_SID *members,
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367 | size_t num_members,
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368 | uint32 **pp_alias_rids,
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369 | size_t *p_num_alias_rids);
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370 |
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371 | NTSTATUS (*lookup_rids)(struct pdb_methods *methods,
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372 | const DOM_SID *domain_sid,
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373 | int num_rids,
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374 | uint32 *rids,
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375 | const char **pp_names,
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376 | enum lsa_SidType *attrs);
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377 |
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378 | NTSTATUS (*lookup_names)(struct pdb_methods *methods,
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379 | const DOM_SID *domain_sid,
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380 | int num_names,
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381 | const char **pp_names,
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382 | uint32 *rids,
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383 | enum lsa_SidType *attrs);
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384 |
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385 | NTSTATUS (*get_account_policy)(struct pdb_methods *methods,
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386 | enum pdb_policy_type type,
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387 | uint32_t *value);
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388 |
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389 | NTSTATUS (*set_account_policy)(struct pdb_methods *methods,
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390 | enum pdb_policy_type type,
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391 | uint32_t value);
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392 |
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393 | NTSTATUS (*get_seq_num)(struct pdb_methods *methods, time_t *seq_num);
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394 |
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395 | bool (*search_users)(struct pdb_methods *methods,
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396 | struct pdb_search *search,
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397 | uint32 acct_flags);
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398 | bool (*search_groups)(struct pdb_methods *methods,
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399 | struct pdb_search *search);
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400 | bool (*search_aliases)(struct pdb_methods *methods,
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401 | struct pdb_search *search,
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402 | const DOM_SID *sid);
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403 |
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404 | bool (*uid_to_sid)(struct pdb_methods *methods, uid_t uid,
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405 | DOM_SID *sid);
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406 | bool (*gid_to_sid)(struct pdb_methods *methods, gid_t gid,
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407 | DOM_SID *sid);
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408 | bool (*sid_to_id)(struct pdb_methods *methods, const DOM_SID *sid,
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409 | union unid_t *id, enum lsa_SidType *type);
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410 |
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411 | uint32_t (*capabilities)(struct pdb_methods *methods);
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412 | bool (*new_rid)(struct pdb_methods *methods, uint32 *rid);
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413 |
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414 |
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415 | bool (*get_trusteddom_pw)(struct pdb_methods *methods,
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416 | const char *domain, char** pwd,
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417 | DOM_SID *sid, time_t *pass_last_set_time);
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418 | bool (*set_trusteddom_pw)(struct pdb_methods *methods,
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419 | const char* domain, const char* pwd,
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420 | const DOM_SID *sid);
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421 | bool (*del_trusteddom_pw)(struct pdb_methods *methods,
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422 | const char *domain);
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423 | NTSTATUS (*enum_trusteddoms)(struct pdb_methods *methods,
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424 | TALLOC_CTX *mem_ctx, uint32 *num_domains,
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425 | struct trustdom_info ***domains);
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426 |
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427 | void *private_data; /* Private data of some kind */
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428 |
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429 | void (*free_private_data)(void **);
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430 | };
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431 |
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432 | typedef NTSTATUS (*pdb_init_function)(struct pdb_methods **, const char *);
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433 |
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434 | struct pdb_init_function_entry {
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435 | const char *name;
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436 |
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437 | /* Function to create a member of the pdb_methods list */
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438 | pdb_init_function init;
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439 |
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440 | struct pdb_init_function_entry *prev, *next;
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441 | };
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442 |
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443 | #endif /* _PASSDB_H */
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