File:  [ELWIX - Embedded LightWeight unIX -] / libaitcfg / inc / aitpwd.h
Revision 1.1.2.1: download - view: text, annotated - select for diffs - revision graph
Tue Sep 18 08:17:59 2012 UTC (11 years, 8 months ago) by misho
Branches: cfg5_5
added header from libaitpwd

    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 1.1.2.1 2012/09/18 08:17:59 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: struct tagAcctDB {
   54: 	unsigned short	db_ver;
   55: 	unsigned char	db_lock;
   56: 	unsigned char	db_wrap;
   57: 
   58: 	unsigned int	db_rmin;
   59: 	unsigned int	db_rmax;
   60: 	uint64_t	db_rsize;
   61: 
   62: 	uint64_t	db_since;
   63: 
   64: 	int		db_h;		/* optional */
   65: } __packed;
   66: 
   67: /* Search callback function, compare to match argument to record match ... 
   68:  *  (return: -1 error, 0 not match or 1 match)
   69:  */
   70: typedef int (*cb_acct_f)(void * /*current db_record*/, void * /*argument*/);
   71: 
   72: 
   73: struct tagUser {
   74: 	ait_val_t		usr_name;
   75: 	ait_val_t		usr_pass;
   76: 	ait_val_t		usr_uid;
   77: 	ait_val_t		usr_gid;
   78: 	ait_val_t		usr_class;
   79: 	ait_val_t		usr_change;
   80: 	ait_val_t		usr_expire;
   81: 	ait_val_t		usr_realm;
   82: 	ait_val_t		usr_home;
   83: 	ait_val_t		usr_shell;
   84: 
   85: 	SLIST_ENTRY(tagCfg)	usr_next;
   86: 	RB_ENTRY(tagCfg)	usr_node;
   87: };
   88: 
   89: typedef struct tagUser * passwd_t;
   90: 
   91: typedef enum { ALL = -1, 
   92: 	Username, 
   93: 	Password, 
   94: 	UID, 
   95: 	GID, 
   96: 	Class, 
   97: 	Change, 
   98: 	Expire, 
   99: 	Realm, 
  100: 	Home, 
  101: 	Shell 
  102: } passwd_attr_t;
  103: 
  104: 
  105: #if 0
  106: /*
  107:  * CreatePasswd() Create secrets from memory
  108:  * @csPasswdName = New filename for secrets
  109:  * @ppwd = Users array element
  110:  * return: 0 ok; -1 error:: can`t save new file
  111: */
  112: int CreatePasswd(const char *csPasswdName, passwd_t * __restrict ppwd);
  113: /*
  114:  * LoadPasswd() Load secrets from file
  115:  * @csPasswdName = Filename of secrets
  116:  * @ppwd = Users array element
  117:  * return: 0 ok; -1 error:: can`t load file
  118: */
  119: int LoadPasswd(const char *csPasswdName, passwd_t * __restrict ppwd);
  120: /*
  121:  * UnloadPasswd() Unload secrets from memory and free resources
  122:  * @ppwd = Users array element
  123: */
  124: void UnloadPasswd(passwd_t * __restrict ppwd);
  125: 
  126: 
  127: // pwd_GetErrno() Get error code of last operation
  128: inline int pwd_GetErrno();
  129: // pwd_GetError() Get error text of last operation
  130: inline const char *pwd_GetError();
  131: // pwd_Delimiter() Operate with file delimiter, if delim == 0 only get current
  132: inline unsigned char pwd_GetDelim(unsigned char delim);
  133: 
  134: 
  135: /*
  136:  * ReadPasswd() Read from file and add new item to user array
  137:  * @f = file resource
  138:  * @ppwd = User array
  139:  * return: 0 ok; -1 error:: can`t allocate memory
  140: */
  141: int ReadPasswd(FILE *f, passwd_t * __restrict ppwd);
  142: /*
  143:  * WritePasswd() Write to file from items in array
  144:  * @f = file resource
  145:  * @ppwd = User array
  146:  * return: 0 ok; -1 error:: can`t write to file
  147: */
  148: int WritePasswd(FILE *f, passwd_t * __restrict ppwd);
  149: 
  150: 
  151: /*
  152:  * pwdCleanStr() Free strings in passwd_t value
  153:  * @pwd = User object
  154:  * return: none
  155: */
  156: inline void pwdCleanStr(passwd_t __restrict pwd);
  157: /*
  158:  * pwdFreeValue() Free passwd_t value
  159:  * @ppwd = User object
  160:  * @idx = Index of attribute, if ALL == idx is free all structure
  161:  * return: 0 ok, -1 error
  162: */
  163: inline int pwdFreeValue(passwd_t * __restrict ppwd, passwd_attr_t idx);
  164: /*
  165:  * pwdSetValue() Set passwd_t value
  166:  * @ppwd = User object
  167:  * @idx = Index of attribute, if ALL == idx clean User object and set username!
  168:  * @Value = Value to set
  169:  * return: number of fields in passwd_t; -1 error:: can`t set passwd_t
  170: */
  171: inline int pwdSetValue(passwd_t * __restrict ppwd, passwd_attr_t idx, unsigned char *Value);
  172: /*
  173:  * pwdGetValue() Get passwd_t value
  174:  * @pwd = User object
  175:  * @idx = Index of attribute, if ALL == idx is error!
  176:  * @Value = Value to get
  177:  * @valLen = Size of Value string
  178:  * return: number of fields in passwd_t; -1 error:: can`t get passwd_t
  179: */
  180: inline int pwdGetValue(passwd_t __restrict pwd, passwd_attr_t idx, unsigned char *Value, int valLen);
  181: 
  182: 
  183: /*
  184:  * pwd_FindAttribute() Find by attribute position in user array
  185:  * @pwd = User array
  186:  * @idx = Index of attribute, if ALL == idx return number of user array elements
  187:  * @csAttr = User attribute
  188:  * return: 0 not found item; -1 error: null parameters; >0 position in array + 1
  189: */
  190: inline int pwd_FindAttribute(passwd_t __restrict pwd, passwd_attr_t idx, const unsigned char *csAttr);
  191: /*
  192:  * pwd_SetAttribute() Set user in array or add new user if not exists
  193:  * @ppwd = User array
  194:  * @idx = Index of attribute to set
  195:  * @val = User structure for setup
  196:  * return: 0 nothing changed, -1 error: not enough memory; 1 find and update item; 2 added new item
  197: */
  198: int pwd_SetAttribute(passwd_t * __restrict ppwd, passwd_attr_t idx, passwd_t val);
  199: /*
  200:  * pwd_GetAttribute() Get user from array, set username in val
  201:  * @pwd = User array
  202:  * @idx = Index of attribute to get, if idx == ALL return full element items
  203:  * @val = User structure
  204:  * return: 0 not found, -1 error; >0 found at position in array + 1
  205: */
  206: int pwd_GetAttribute(passwd_t __restrict pwd, passwd_attr_t idx, passwd_t val);
  207: /*
  208:  * pwd_UnsetAttribute() Unset user from array and free resources!
  209:  * @ppwd = User array
  210:  * @idx = Index of attribute to unset, if idx == ALL unset(delete) all items in element
  211:  * @val = User structure
  212:  * return: 0 item not found, -1 error: null parameters; >0 number of elements leave in array
  213: */
  214: int pwd_UnsetAttribute(passwd_t * __restrict ppwd, passwd_attr_t idx, passwd_t val);
  215: /*
  216:  * pwd_Authenticate() Authenticate user, set username and password in val
  217:  * @pwd = User array
  218:  * @val = User structure for authenticate, set username & password 
  219:  	after authentication fill other fields if exists
  220:  * return: 0 not found, -1 error; >0 found at position in array + 1
  221: */
  222: int pwd_Authenticate(passwd_t __restrict pwd, passwd_t val);
  223: 
  224: 
  225: /*
  226:  * pwd_openAcct() Open accounting aDat binary database
  227:  * @csName - DB name
  228:  * @minR - Minimum records in database
  229:  * @maxR - Maximum records in database(round-robin db), if 0 unlimited grow
  230:  * @recSize - Size of record element
  231:  * @wrapR - If maxR >0 give ability to wrap round-robin db
  232:  * return: NULL error or !=NULL opened db handle
  233:  */
  234: struct tagAcctDB *pwd_openAcct(const char *csName, unsigned int minR, unsigned int maxR, 
  235: 		size_t recSize, unsigned char wrapR);
  236: /*
  237:  * pwd_closeAcct() Close accounting aDat binary database
  238:  * @db - DB handle
  239:  * return: none
  240:  */
  241: void pwd_closeAcct(struct tagAcctDB ** __restrict db);
  242: /*
  243:  * pwd_writeAcct() Write accounting record to aDat binary database
  244:  * @db - DB handle
  245:  * @posR - At position number, if db is unlimited grow (-1) write at last free record
  246:  * @rec - Record data
  247:  * return: -1 error or 0 ok
  248:  */
  249: int pwd_writeAcct(struct tagAcctDB * __restrict db, unsigned int posR, void *rec);
  250: /*
  251:  * pwd_readAcct() Read accounting record from aDat binary database
  252:  * @db - DB handle
  253:  * @posR - From position number
  254:  * @rec - Record data buffer
  255:  * @recsize - Record data buffer size
  256:  * return: -1 error or 0 ok
  257:  */
  258: int pwd_readAcct(struct tagAcctDB * __restrict db, unsigned int posR, void *rec, int recsize);
  259: 
  260: /*
  261:  * pwd_findAcct() Find accounting record from aDat binary database
  262:  * @db - DB handle
  263:  * @from - From position
  264:  * @to - To position, if 0 search to end-of-file
  265:  * @func - Check for match callback function
  266:  * @arg - Argument passthrough to callback as argument for search
  267:  * return: -1 error, 0 not found or >1 founded at position! (p.s:start from 1)
  268:  */
  269: int64_t pwd_findAcct(struct tagAcctDB * __restrict db, unsigned int from, unsigned int to, 
  270: 		cb_acct_f func, void *arg);
  271: #endif
  272: 
  273: 
  274: #endif

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