1: /*************************************************************************
2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
3: * by Michael Pounov <misho@openbsd-bg.org>
4: *
5: * $Author: misho $
6: * $Id: aitpwd.h,v 1.1.2.6 2012/09/19 11:47:38 misho Exp $
7: *
8: **************************************************************************
9: The ELWIX and AITNET software is distributed under the following
10: terms:
11:
12: All of the documentation and software included in the ELWIX and AITNET
13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
14:
15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
16: by Michael Pounov <misho@elwix.org>. All rights reserved.
17:
18: Redistribution and use in source and binary forms, with or without
19: modification, are permitted provided that the following conditions
20: are met:
21: 1. Redistributions of source code must retain the above copyright
22: notice, this list of conditions and the following disclaimer.
23: 2. Redistributions in binary form must reproduce the above copyright
24: notice, this list of conditions and the following disclaimer in the
25: documentation and/or other materials provided with the distribution.
26: 3. All advertising materials mentioning features or use of this software
27: must display the following acknowledgement:
28: This product includes software developed by Michael Pounov <misho@elwix.org>
29: ELWIX - Embedded LightWeight unIX and its contributors.
30: 4. Neither the name of AITNET nor the names of its contributors
31: may be used to endorse or promote products derived from this software
32: without specific prior written permission.
33:
34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44: SUCH DAMAGE.
45: */
46: #ifndef __AITPWD_H
47: #define __AITPWD_H
48:
49:
50: #include <time.h>
51:
52:
53: #define PWD_CRIT_NAME 0
54: #define PWD_CRIT_UID 1
55: #define PWD_CRIT_GID 2
56:
57:
58: struct tagAcctDB {
59: unsigned short db_ver;
60: unsigned char db_lock;
61: unsigned char db_wrap;
62:
63: unsigned int db_rmin;
64: unsigned int db_rmax;
65: uint64_t db_rsize;
66:
67: uint64_t db_since;
68:
69: int db_h; /* optional */
70: } __packed;
71:
72: /* Search callback function, compare to match argument to record match ...
73: * (return: -1 error, 0 not match or 1 match)
74: */
75: typedef int (*cb_acct_f)(void * /*current db_record*/, void * /*argument*/);
76:
77:
78: struct tagUser {
79: int usr_fields;
80:
81: ait_val_t usr_name;
82: ait_val_t usr_pass;
83: ait_val_t usr_uid;
84: ait_val_t usr_gid;
85: ait_val_t usr_class;
86: ait_val_t usr_change;
87: ait_val_t usr_expire;
88: ait_val_t usr_realm;
89: ait_val_t usr_home;
90: ait_val_t usr_shell;
91:
92: SLIST_ENTRY(tagUser) usr_next;
93: RB_ENTRY(tagUser) usr_node;
94: };
95: typedef struct tagPWD {
96: pthread_mutex_t pwd_mtx;
97:
98: struct tagUser *slh_first;
99: struct tagUser *rbh_root;
100: } pwd_root_t;
101: #define PWD_LOCK(x) pthread_mutex_lock(&(x)->pwd_mtx)
102: #define PWD_UNLOCK(x) pthread_mutex_unlock(&(x)->pwd_mtx)
103:
104: #define PWD_ISEMPTY(x) RB_EMPTY((x))
105:
106: typedef enum { ALL = -1,
107: Username,
108: Password,
109: UID,
110: GID,
111: Class,
112: Change,
113: Expire,
114: Realm,
115: Home,
116: Shell
117: } passwd_attr_t;
118:
119:
120: /*
121: * cfgInitPasswd() - Init password root
122: *
123: * @pwd = Password root
124: * return: -1 error or 0 ok
125: */
126: int cfgInitPasswd(pwd_root_t * __restrict pwd);
127: /*
128: * cfgLoadPasswd() - Load passwords from file
129: *
130: * @pwdName = Passwords filename
131: * @pwd = Password root
132: * return: -1 error or 0 ok
133: */
134: int cfgLoadPasswd(const char *pwdName, pwd_root_t * __restrict pwd);
135: /*
136: * cfgClearPasswd() - Clear passwords and free resources
137: *
138: * @cfg = Password root
139: * return: none
140: */
141: void cfgClearPasswd(pwd_root_t * __restrict pwd);
142: /*
143: * cfgUnloadPasswd() - Unload passwords from memory and destroy resources
144: *
145: * @pwd = Password root
146: * return: none
147: */
148: void cfgUnloadPasswd(pwd_root_t * __restrict pwd);
149: /*
150: * cfgCreatePasswd() - Create password file from memory
151: *
152: * @pwdName = New password filename
153: * @pwd = Password root
154: * return: -1 error or 0 ok
155: */
156: int cfgCreatePasswd(const char *pwdName, pwd_root_t * __restrict pwd);
157:
158: /*
159: * cfgReadPasswd() - Read file and add new item at password root
160: *
161: * @f = File resource
162: * @pwd = Password root
163: * return: -1 error or 0 ok
164: */
165: int cfgReadPasswd(FILE *f, pwd_root_t * __restrict pwd);
166: /*
167: * cfgWritePasswd() - Write passwords from memory
168: *
169: * @f = File handle
170: * @pwd = Password root
171: * return: -1 error or 0 ok
172: */
173: int cfgWritePasswd(FILE *f, pwd_root_t * __restrict pwd);
174: /*
175: * cfgConcatPasswd() - Concat two password roots into one
176: *
177: * @pwd = Password root
178: * @add_pwd = Concated password root will be destroy after merge
179: * return: -1 error or 0 ok
180: */
181: int cfgConcatPasswd(pwd_root_t * __restrict pwd, pwd_root_t * __restrict add_pwd);
182:
183: /*
184: * cfgAuthPasswd() - Authenticate user against passwords db
185: *
186: * @pwd = Password root
187: * @csName = Username
188: * @csPass = Password
189: * return: -1 error, 1 deny or 0 allow
190: */
191: int cfgAuthPasswd(pwd_root_t * __restrict pwd, const char *csName, const char *csPass);
192:
193: /*
194: * cfg_findPasswdBy() - Find user by criteria position in list
195: *
196: * @pwd = Password root
197: * @criteria = Search criteria [PWD_CRIT_NAME|PWD_CRIT_UID|PWD_CRIT_GID]
198: * @arg1 = Username | UID | GID
199: * return: NULL not found item or error and !=NULL found item
200: */
201: struct tagUser *cfg_findPasswdBy(pwd_root_t * __restrict pwd, int criteria, ...);
202: /*
203: * cfg_unsetPasswd() - Unset item from passwords and free resources
204: *
205: * @pwd = Password root
206: * @criteria = Search criteria [PWD_CRIT_NAME|PWD_CRIT_UID]
207: * @arg1 = Username | UID
208: * return: 0 item not found, -1 error or 1 removed item
209: */
210: int cfg_unsetPasswd(pwd_root_t * __restrict pwd, int criteria, ...);
211: /*
212: * cfg_setPasswd() - Set item in password or adding new item if not exists
213: *
214: * @cfg = Password root
215: * @csName = Username
216: * @csPass = Password
217: * @uid = UID
218: * @gid = GID
219: * @Class = Login class
220: * @change = Chage date
221: * @expire = Expire date
222: * @csRealm = Realm
223: * @csHome = Home dir
224: * @csShell = Shell
225: * return: 0 nothing changed, -1 error, 1 found and updated item or 2 added new item
226: */
227: int cfg_setPasswd(pwd_root_t * __restrict pwd, const char *csName, const char *csPass,
228: unsigned int uid, unsigned int gid, const char *csClass,
229: unsigned int change, unsigned int expire, const char *csRealm,
230: const char *csHome, const char *csShell);
231: /*
232: * cfg_getPasswd() - Get item from passwords and return structure from it
233: *
234: * @pwd = Password root
235: * @criteria = Search criteria [PWD_CRIT_NAME|PWD_CRIT_UID]
236: * @arg1 = Username | UID
237: * return: NULL item not found, !=NULL structure found
238: */
239: inline const struct tagUser *cfg_getPasswd(pwd_root_t * __restrict pwd, int criteria, ...);
240:
241:
242: #endif
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