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