File: parse.h

package info (click to toggle)
sudo 1.6.9p17-3
  • links: PTS
  • area: main
  • in suites: lenny
  • size: 2,904 kB
  • ctags: 1,541
  • sloc: ansic: 15,406; sh: 8,411; makefile: 372; perl: 285
file content (123 lines) | stat: -rw-r--r-- 2,990 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
/*
 * Copyright (c) 1996, 1998-2000, 2004, 2007
 *	Todd C. Miller <Todd.Miller@courtesan.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * $Sudo: parse.h,v 1.14.2.2 2008/02/09 14:44:48 millert Exp $
 */

#ifndef _SUDO_PARSE_H
#define _SUDO_PARSE_H

/*
 * Data structure used in parsing sudoers;
 * top of stack values are the ones that
 * apply when parsing is done & can be
 * accessed by *_matches macros
 */
#define STACKINCREMENT (32)
struct matchstack {
	int user;
	int cmnd;
	int host;
	int runas;
	int nopass;
	int noexec;
	int setenv;
	char *role;
	char *type;
};

/*
 * Data structure describing a command in the
 * sudoers file.
 */
struct sudo_command {
    char *cmnd;
    char *args;
};

/*
 * SELinux-specific container struct.
 * Currently just contains a role and type.
 */
struct selinux_info {
    char *role;
    char *type;
};

#define user_matches	(match[top-1].user)
#define cmnd_matches	(match[top-1].cmnd)
#define host_matches	(match[top-1].host)
#define runas_matches	(match[top-1].runas)
#define no_passwd	(match[top-1].nopass)
#define no_execve	(match[top-1].noexec)
#define setenv_ok	(match[top-1].setenv)

/*
 * Structure containing command matches if "sudo -l" is used.
 */
struct command_match {
    char *runas;
    size_t runas_len;
    size_t runas_size;
    char *cmnd;
    size_t cmnd_len;
    size_t cmnd_size;
    char *role;
    size_t role_len;
    size_t role_size;
    char *type;
    size_t type_len;
    size_t type_size;
    int nopasswd;
    int noexecve;
    int setenv;
};

/*
 * Structure describing an alias match in parser.
 */
typedef struct {
    int type;
    char *name;
    int val;
} aliasinfo;

/*
 * Structure containing Cmnd_Alias's if "sudo -l" is used.
 */
struct generic_alias {
    int type;
    char *alias;
    char *entries;
    size_t entries_size;
    size_t entries_len;
};

/* The matching stack and number of entries on it. */
extern struct matchstack *match;
extern int top;

/*
 * Prototypes
 */
int addr_matches	__P((char *));
int command_matches	__P((char *, char *));
int hostname_matches	__P((char *, char *, char *));
int netgr_matches	__P((char *, char *, char *, char *));
int userpw_matches	__P((char *, char *, struct passwd *));
int usergr_matches	__P((char *, char *, struct passwd *));

#endif /* _SUDO_PARSE_H */