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Annotation of src/usr.bin/sudo/parse.h, Revision 1.3

1.1       millert     1: /*
1.2       millert     2:  * Copyright (c) 1996, 1998-2000 Todd C. Miller <Todd.Miller@courtesan.com>
1.1       millert     3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  *
                      9:  * 1. Redistributions of source code must retain the above copyright
                     10:  *    notice, this list of conditions and the following disclaimer.
                     11:  *
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  *
                     16:  * 3. The name of the author may not be used to endorse or promote products
                     17:  *    derived from this software without specific prior written permission.
                     18:  *
                     19:  * 4. Products derived from this software may not be called "Sudo" nor
                     20:  *    may "Sudo" appear in their names without specific prior written
                     21:  *    permission from the author.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
                     24:  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
                     25:  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
                     26:  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
                     27:  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
                     28:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
                     29:  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
                     30:  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
                     31:  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
                     32:  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     33:  *
1.3     ! millert    34:  * $Sudo: parse.h,v 1.9 2000/03/23 04:38:20 millert Exp $
1.1       millert    35:  */
                     36:
                     37: #ifndef _SUDO_PARSE_H
                     38: #define _SUDO_PARSE_H
                     39:
                     40: /*
                     41:  * Data structure used in parsing sudoers;
                     42:  * top of stack values are the ones that
                     43:  * apply when parsing is done & can be
                     44:  * accessed by *_matches macros
                     45:  */
                     46: #define STACKINCREMENT (32)
                     47: struct matchstack {
                     48:        int user;
                     49:        int cmnd;
                     50:        int host;
                     51:        int runas;
                     52:        int nopass;
                     53: };
                     54:
                     55: /*
                     56:  * Data structure describing a command in the
                     57:  * sudoers file.
                     58:  */
                     59: struct sudo_command {
                     60:     char *cmnd;
                     61:     char *args;
                     62: };
                     63:
                     64: #define user_matches   (match[top-1].user)
                     65: #define cmnd_matches   (match[top-1].cmnd)
                     66: #define host_matches   (match[top-1].host)
                     67: #define runas_matches  (match[top-1].runas)
                     68: #define no_passwd      (match[top-1].nopass)
                     69:
                     70: /*
                     71:  * Structure containing command matches if "sudo -l" is used.
                     72:  */
                     73: struct command_match {
                     74:     char *runas;
                     75:     size_t runas_len;
                     76:     size_t runas_size;
                     77:     char *cmnd;
                     78:     size_t cmnd_len;
                     79:     size_t cmnd_size;
                     80:     int nopasswd;
                     81: };
                     82:
                     83: /*
                     84:  * Structure describing an alias match in parser.
                     85:  */
                     86: typedef struct {
                     87:     int type;
                     88:     char *name;
                     89:     int val;
                     90: } aliasinfo;
                     91:
                     92: /*
                     93:  * Structure containing Cmnd_Alias's if "sudo -l" is used.
                     94:  */
                     95: struct generic_alias {
                     96:     int type;
                     97:     char *alias;
                     98:     char *entries;
                     99:     size_t entries_size;
                    100:     size_t entries_len;
                    101: };
                    102:
                    103: /* The matching stack and number of entries on it. */
                    104: extern struct matchstack *match;
                    105: extern int top;
                    106:
                    107: /*
                    108:  * Prototypes
                    109:  */
                    110: int addr_matches       __P((char *));
                    111: int command_matches    __P((char *, char *, char *, char *));
1.3     ! millert   112: int hostname_matches   __P((char *, char *, char *));
1.2       millert   113: int netgr_matches      __P((char *, char *, char *, char *));
1.1       millert   114: int usergr_matches     __P((char *, char *));
                    115:
                    116: #endif /* _SUDO_PARSE_H */