Home | History | Annotate | Download | only in src
      1 /*-
      2  * Copyright (c) 1997 Brian Somers <brian (at) 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: src/usr.sbin/ppp/id.h,v 1.16.26.1 2010/12/21 17:10:29 kensmith Exp $
     27  */
     28 
     29 #ifndef NOSUID
     30 struct utmp;
     31 struct sockaddr_un;
     32 
     33 extern void ID0init(void);
     34 extern uid_t ID0realuid(void);
     35 extern int ID0ioctl(int, unsigned long, void *);
     36 extern int ID0unlink(const char *);
     37 extern int ID0socket(int, int, int);
     38 extern FILE *ID0fopen(const char *, const char *);
     39 extern int ID0open(const char *, int, ...);
     40 extern int ID0write(int, const void *, size_t);
     41 extern int ID0uu_lock(const char *);
     42 extern int ID0uu_lock_txfr(const char *, pid_t);
     43 extern int ID0uu_unlock(const char *);
     44 extern void ID0login(struct utmp *);
     45 extern void ID0logout(const char *, int);
     46 extern int ID0bind_un(int, const struct sockaddr_un *);
     47 extern int ID0connect_un(int, const struct sockaddr_un *);
     48 extern int ID0kill(pid_t, int);
     49 #if defined(__FreeBSD__) && !defined(NOKLDLOAD)
     50 extern int ID0kldload(const char *);
     51 #endif
     52 #ifndef NONETGRAPH
     53 extern 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