id.h revision 134885 
1/*-
2 * Copyright (c) 1997 Brian Somers <brian@Awfulhak.org>
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 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/usr.sbin/ppp/id.h 134885 2004-09-07 06:28:00Z marcel $
27 */
28
29#ifndef NOSUID
30struct utmp;
31struct sockaddr_un;
32
33extern void ID0init(void);
34extern uid_t ID0realuid(void);
35extern int ID0ioctl(int, unsigned long, void *);
36extern int ID0unlink(const char *);
37extern int ID0socket(int, int, int);
38extern FILE *ID0fopen(const char *, const char *);
39extern int ID0open(const char *, int, ...);
40extern int ID0write(int, const void *, size_t);
41extern int ID0uu_lock(const char *);
42extern int ID0uu_lock_txfr(const char *, pid_t);
43extern int ID0uu_unlock(const char *);
44extern void ID0login(struct utmp *);
45extern void ID0logout(const char *, int);
46extern int ID0bind_un(int, const struct sockaddr_un *);
47extern int ID0connect_un(int, const struct sockaddr_un *);
48extern int ID0kill(pid_t, int);
49#if defined(__FreeBSD__) && !defined(NOKLDLOAD)
50extern int ID0kldload(const char *);
51#endif
52#ifndef NONETGRAPH
53extern int ID0NgMkSockNode(const char *, int *, int *);
54#endif
55#else	/* NOSUID */
56#define ID0init()
57#define ID0realuid() (0)
58#define ID0ioctl ioctl
59#define ID0unlink unlink
60#define ID0socket socket
61#define ID0fopen fopen
62#define ID0open open
63#define ID0write write
64#define ID0uu_lock uu_lock
65#define ID0uu_lock_txfr uu_lock_txfr
66#define ID0uu_unlock uu_unlock
67#define ID0login(u)			\
68  do {					\
69    if (logout((u)->ut_line))		\
70      logwtmp((u)->ut_line, "", "");	\
71    login(u);				\
72  } while (0)
73#define ID0logout(dev, no)				\
74  do {							\
75    struct utmp ut;					\
76    strncpy(ut.ut_line, dev, sizeof ut.ut_line - 1);	\
77    ut.ut_line[sizeof ut.ut_line - 1] = '\0';		\
78    if (no || logout(ut.ut_line))			\
79      logwtmp(ut.ut_line, "", ""); 			\
80  } while (0)
81#define ID0bind_un(s, n) bind(s, (const struct sockaddr *)(n), sizeof *(n))
82#define ID0connect_un(s, n) \
83	connect(s, (const struct sockaddr *)(n), sizeof *(n))
84#define ID0kill kill
85#if defined(__FreeBSD__) && !defined(NOKLDLOAD)
86#include <sys/param.h>
87#include <sys/linker.h>
88#define ID0kldload kldload
89#endif
90#ifndef NONETGRAPH
91#define ID0NgMkSockNode NgMkSockNode
92#endif
93#endif
94