1 /*
2    Unix SMB/CIFS implementation.
3    helper mapping functions for the UF and ACB flags
4 
5    Copyright (C) Stefan (metze) Metzmacher 2002
6    Copyright (C) Andrew Tridgell 2004
7    Copyright (C) Matthias Dieter Wallnöfer 2010
8 
9    This program is free software; you can redistribute it and/or modify
10    it under the terms of the GNU General Public License as published by
11    the Free Software Foundation; either version 3 of the License, or
12    (at your option) any later version.
13 
14    This program is distributed in the hope that it will be useful,
15    but WITHOUT ANY WARRANTY; without even the implied warranty of
16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17    GNU General Public License for more details.
18 
19    You should have received a copy of the GNU General Public License
20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
21 */
22 
23 #include "includes.h"
24 #include "librpc/gen_ndr/samr.h"
25 #include "../libds/common/flags.h"
26 #include "flag_mapping.h"
27 
28 /*
29 translated the ACB_CTRL Flags to UserFlags (userAccountControl)
30 */
31 /* mapping between ADS userAccountControl and SAMR acct_flags */
32 static const struct {
33 	uint32_t uf;
34 	uint32_t acb;
35 } acct_flags_map[] = {
36 	{ UF_ACCOUNTDISABLE, ACB_DISABLED },
37 	{ UF_HOMEDIR_REQUIRED, ACB_HOMDIRREQ },
38 	{ UF_PASSWD_NOTREQD, ACB_PWNOTREQ },
39 	{ UF_TEMP_DUPLICATE_ACCOUNT, ACB_TEMPDUP },
40 	{ UF_NORMAL_ACCOUNT, ACB_NORMAL },
41 	{ UF_MNS_LOGON_ACCOUNT, ACB_MNS },
42 	{ UF_INTERDOMAIN_TRUST_ACCOUNT, ACB_DOMTRUST },
43 	{ UF_WORKSTATION_TRUST_ACCOUNT, ACB_WSTRUST },
44 	{ UF_SERVER_TRUST_ACCOUNT, ACB_SVRTRUST },
45 	{ UF_DONT_EXPIRE_PASSWD, ACB_PWNOEXP },
46 	{ UF_LOCKOUT, ACB_AUTOLOCK },
47 	{ UF_ENCRYPTED_TEXT_PASSWORD_ALLOWED, ACB_ENC_TXT_PWD_ALLOWED },
48 	{ UF_SMARTCARD_REQUIRED, ACB_SMARTCARD_REQUIRED },
49 	{ UF_TRUSTED_FOR_DELEGATION, ACB_TRUSTED_FOR_DELEGATION },
50 	{ UF_NOT_DELEGATED, ACB_NOT_DELEGATED },
51 	{ UF_USE_DES_KEY_ONLY, ACB_USE_DES_KEY_ONLY},
52 	{ UF_DONT_REQUIRE_PREAUTH, ACB_DONT_REQUIRE_PREAUTH },
53 	{ UF_PASSWORD_EXPIRED, ACB_PW_EXPIRED },
54 	{ UF_NO_AUTH_DATA_REQUIRED, ACB_NO_AUTH_DATA_REQD },
55 	{ UF_TRUSTED_TO_AUTHENTICATE_FOR_DELEGATION, ACB_TRUSTED_TO_AUTHENTICATE_FOR_DELEGATION },
56 	{ UF_PARTIAL_SECRETS_ACCOUNT, ACB_PARTIAL_SECRETS_ACCOUNT },
57 	{ UF_USE_AES_KEYS, ACB_USE_AES_KEYS }
58 };
59 
ds_acb2uf(uint32_t acb)60 uint32_t ds_acb2uf(uint32_t acb)
61 {
62 	unsigned int i;
63 	uint32_t ret = 0;
64 	for (i=0;i<ARRAY_SIZE(acct_flags_map);i++) {
65 		if (acct_flags_map[i].acb & acb) {
66 			ret |= acct_flags_map[i].uf;
67 		}
68 	}
69 	return ret;
70 }
71 
72 /*
73 translated the UserFlags (userAccountControl) to ACB_CTRL Flags
74 */
ds_uf2acb(uint32_t uf)75 uint32_t ds_uf2acb(uint32_t uf)
76 {
77 	unsigned int i;
78 	uint32_t ret = 0;
79 	for (i=0;i<ARRAY_SIZE(acct_flags_map);i++) {
80 		if (acct_flags_map[i].uf & uf) {
81 			ret |= acct_flags_map[i].acb;
82 		}
83 	}
84 	return ret;
85 }
86 
87 /*
88 get the accountType from the UserFlags
89 */
ds_uf2atype(uint32_t uf)90 uint32_t ds_uf2atype(uint32_t uf)
91 {
92 	uint32_t atype = 0x00000000;
93 
94 	if (uf & UF_NORMAL_ACCOUNT)			atype = ATYPE_NORMAL_ACCOUNT;
95 	else if (uf & UF_TEMP_DUPLICATE_ACCOUNT)	atype = ATYPE_NORMAL_ACCOUNT;
96 	else if (uf & UF_SERVER_TRUST_ACCOUNT)		atype = ATYPE_WORKSTATION_TRUST;
97 	else if (uf & UF_WORKSTATION_TRUST_ACCOUNT)	atype = ATYPE_WORKSTATION_TRUST;
98 	else if (uf & UF_INTERDOMAIN_TRUST_ACCOUNT)	atype = ATYPE_INTERDOMAIN_TRUST;
99 
100 	return atype;
101 }
102 
103 /*
104 get the accountType from the groupType
105 */
ds_gtype2atype(uint32_t gtype)106 uint32_t ds_gtype2atype(uint32_t gtype)
107 {
108 	uint32_t atype = 0x00000000;
109 
110 	switch(gtype) {
111 		case GTYPE_SECURITY_BUILTIN_LOCAL_GROUP:
112 			atype = ATYPE_SECURITY_LOCAL_GROUP;
113 			break;
114 		case GTYPE_SECURITY_GLOBAL_GROUP:
115 			atype = ATYPE_SECURITY_GLOBAL_GROUP;
116 			break;
117 		case GTYPE_SECURITY_DOMAIN_LOCAL_GROUP:
118 			atype = ATYPE_SECURITY_LOCAL_GROUP;
119 			break;
120 		case GTYPE_SECURITY_UNIVERSAL_GROUP:
121 			atype = ATYPE_SECURITY_UNIVERSAL_GROUP;
122 			break;
123 
124 		case GTYPE_DISTRIBUTION_GLOBAL_GROUP:
125 			atype = ATYPE_DISTRIBUTION_GLOBAL_GROUP;
126 			break;
127 		case GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP:
128 			atype = ATYPE_DISTRIBUTION_LOCAL_GROUP;
129 			break;
130 		case GTYPE_DISTRIBUTION_UNIVERSAL_GROUP:
131 			atype = ATYPE_DISTRIBUTION_UNIVERSAL_GROUP;
132 			break;
133 	}
134 
135 	return atype;
136 }
137 
138 /* turn a sAMAccountType into a SID_NAME_USE */
ds_atype_map(uint32_t atype)139 enum lsa_SidType ds_atype_map(uint32_t atype)
140 {
141 	switch (atype & 0xF0000000) {
142 	case ATYPE_GLOBAL_GROUP:
143 		return SID_NAME_DOM_GRP;
144 	case ATYPE_SECURITY_LOCAL_GROUP:
145 		return SID_NAME_ALIAS;
146 	case ATYPE_ACCOUNT:
147 		return SID_NAME_USER;
148 	default:
149 		DEBUG(1,("hmm, need to map account type 0x%x\n", atype));
150 	}
151 	return SID_NAME_UNKNOWN;
152 }
153 
154 /* get the default primary group RID for a given userAccountControl
155  * (information according to MS-SAMR 3.1.1.8.1) */
ds_uf2prim_group_rid(uint32_t uf)156 uint32_t ds_uf2prim_group_rid(uint32_t uf)
157 {
158 	uint32_t prim_group_rid = DOMAIN_RID_USERS;
159 
160 	if ((uf & UF_PARTIAL_SECRETS_ACCOUNT)
161 	 && (uf & UF_WORKSTATION_TRUST_ACCOUNT))    prim_group_rid = DOMAIN_RID_READONLY_DCS;
162 	else if (uf & UF_SERVER_TRUST_ACCOUNT)      prim_group_rid = DOMAIN_RID_DCS;
163 	else if (uf & UF_WORKSTATION_TRUST_ACCOUNT) prim_group_rid = DOMAIN_RID_DOMAIN_MEMBERS;
164 
165 	return prim_group_rid;
166 }
167