usr.sbin/ppp/id.h

   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: src/usr.sbin/ppp/id.h,v 1.13.2.1 2000/08/19 09:30:03 brian Exp $
  27  * $DragonFly: src/usr.sbin/ppp/id.h,v 1.3 2004/02/03 07:11:47 dillon Exp $
  28  */
  29
  30 #ifndef NOSUID
  31 struct utmp;
  32 struct sockaddr_un;
  33
  34 extern void ID0init(void);
  35 extern uid_t ID0realuid(void);
  36 extern int ID0ioctl(int, unsigned long, void *);
  37 extern int ID0unlink(const char *);
  38 extern int ID0socket(int, int, int);
  39 extern FILE *ID0fopen(const char *, const char *);
  40 extern int ID0open(const char *, int, ...);
  41 extern int ID0write(int, const void *, size_t);
  42 extern int ID0uu_lock(const char *);
  43 extern int ID0uu_lock_txfr(const char *, pid_t);
  44 extern int ID0uu_unlock(const char *);
  45 extern void ID0login(struct utmp *);
  46 extern void ID0logout(const char *, int);
  47 extern int ID0bind_un(int, const struct sockaddr_un *);
  48 extern int ID0connect_un(int, const struct sockaddr_un *);
  49 extern int ID0kill(pid_t, int);
  50 #if defined(__DragonFly__) && !defined(NOKLDLOAD)
  51 extern int ID0kldload(const char *);
  52 #endif
  53 #ifndef NONETGRAPH
  54 extern int ID0NgMkSockNode(const char *, int *, int *);
  55 #endif
  56 #else   /* NOSUID */
  57 #define ID0init()
  58 #define ID0realuid() (0)
  59 #define ID0ioctl ioctl
  60 #define ID0unlink unlink
  61 #define ID0socket socket
  62 #define ID0fopen fopen
  63 #define ID0open open
  64 #define ID0write write
  65 #define ID0uu_lock uu_lock
  66 #define ID0uu_lock_txfr uu_lock_txfr
  67 #define ID0uu_unlock uu_unlock
  68 #define ID0login(u)                     \
  69   do {                                  \
  70     if (logout((u)->ut_line))           \
  71       logwtmp((u)->ut_line, "", "");    \
  72     login(u);                           \
  73   } while (0)
  74 #define ID0logout(dev, no)                              \
  75   do {                                                  \
  76     struct utmp ut;                                     \
  77     strncpy(ut.ut_line, dev, sizeof ut.ut_line - 1);    \
  78     ut.ut_line[sizeof ut.ut_line - 1] = '\0';           \
  79     if (no || logout(ut.ut_line))                       \
  80       logwtmp(ut.ut_line, "", "");                      \
  81   } while (0)
  82 #define ID0bind_un(s, n) bind(s, (const struct sockaddr *)(n), sizeof *(n))
  83 #define ID0connect_un(s, n) \
  84         connect(s, (const struct sockaddr *)(n), sizeof *(n))
  85 #define ID0kill kill
  86 #if defined(__DragonFly__) && !defined(NOKLDLOAD)
  87 #define ID0kldload kldload
  88 #endif
  89 #ifndef NONETGRAPH
  90 #define ID0NgMkSockNode NgMkSockNode
  91 #endif
  92 #endif