From a8c409b2b43635d095e5e8b5fd8fcd42fc4a539c Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <millert@cvs.openbsd.org>
Date: Thu, 3 Jan 2002 03:49:17 +0000
Subject: Update to sudo 1.6.4

---
 usr.bin/sudo/compat.h | 89 +++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 86 insertions(+), 3 deletions(-)

(limited to 'usr.bin/sudo/compat.h')

diff --git a/usr.bin/sudo/compat.h b/usr.bin/sudo/compat.h
index bb6e4bc35fd..157fd0d88d7 100644
--- a/usr.bin/sudo/compat.h
+++ b/usr.bin/sudo/compat.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 1998, 1999 Todd C. Miller <Todd.Miller@courtesan.com>
+ * Copyright (c) 1996, 1998-2000 Todd C. Miller <Todd.Miller@courtesan.com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- * $Sudo: compat.h,v 1.54 1999/10/08 01:12:49 millert Exp $
+ * $Sudo: compat.h,v 1.61 2002/01/02 22:37:19 millert Exp $
  */
 
 #ifndef _SUDO_COMPAT_H
@@ -145,7 +145,30 @@
 #endif
 
 /*
- * Emulate seteuid() for HP-UX via setresuid(2) and seteuid(2) for others.
+ * Simple isblank() macro for systems without it.
+ */
+#ifndef HAVE_ISBLANK
+# define isblank(_x)	((_x) == ' ' || (_x) == '\t')
+#endif
+
+/*
+ * Old BSD systems lack strchr(), strrchr(), memset() and memcpy()
+ */
+#if !defined(HAVE_STRCHR) && !defined(strchr)
+# define strchr(_s, _c)	index(_s, _c)
+#endif
+#if !defined(HAVE_STRRCHR) && !defined(strrchr)
+# define strrchr(_s, _c)	rindex(_s, _c)
+#endif
+#if !defined(HAVE_MEMCPY) && !defined(memcpy)
+# define memcpy(_d, _s, _n)	(bcopy(_s, _d, _n))
+#endif
+#if !defined(HAVE_MEMSET) && !defined(memset)
+# define memset(_s, _x, _n)	(bzero(_s, _n))
+#endif
+
+/*
+ * Emulate sete[ug]id() via setres[ug]id(2) or setre[ug]id(2)
  */
 #ifndef HAVE_SETEUID
 # ifdef __hpux
@@ -154,6 +177,29 @@
 #  define seteuid(_EUID)	(setreuid((uid_t) -1, _EUID))
 # endif /* __hpux */
 #endif /* HAVE_SETEUID */
+#ifndef HAVE_SETEGID
+# ifdef __hpux
+#  define setegid(_EGID)	(setresgid((gid_t) -1, _EGID, (gid_t) -1))
+# else
+#  define setegid(_EGID)	(setregid((gid_t) -1, _EGID))
+# endif /* __hpux */
+#endif /* HAVE_SETEGID */
+
+/*
+ * Emulate setreuid() for HP-UX via setresuid(2)
+ */
+#if !defined(HAVE_SETREUID) && defined(__hpux)
+# define setreuid(_RUID, _EUID)	(setresuid(_RUID, _EUID, (uid_t) -1))
+# define HAVE_SETREUID
+#endif /* !HAVE_SETEUID && __hpux */
+
+/*
+ * NCR's SVr4 has _innetgr(3) instead of innetgr(3) for some reason.
+ */
+#ifdef HAVE__INNETGR
+# define innetgr(n, h, u, d)	(_innetgr(n, h, u, d))
+# define HAVE_INNETGR 1
+#endif /* HAVE__INNETGR */
 
 /*
  * On POSIX systems, O_NOCTTY is the default so some OS's may lack this define.
@@ -162,4 +208,41 @@
 # define O_NOCTTY	0
 #endif /* O_NOCTTY */
 
+/*
+ * Emulate POSIX signals via sigvec(2)
+ */
+#ifndef HAVE_SIGACTION
+# define SA_ONSTACK	SV_ONSTACK
+# define SA_RESTART	SV_INTERRUPT		/* opposite effect */
+# define SA_RESETHAND	SV_RESETHAND
+# define sa_handler	sv_handler
+# define sa_mask	sv_mask
+# define sa_flags	sv_flags
+typedef struct sigvec sigaction_t;
+typedef int sigset_t;
+int sigaction __P((int sig, const sigaction_t *act, sigaction_t *oact));
+int sigemptyset __P((sigset_t *));
+int sigfillset __P((sigset_t *));
+int sigaddset __P((sigset_t *, int));
+int sigdelset __P((sigset_t *, int));
+int sigismember __P((sigset_t *, int));
+int sigprocmask __P((int, const sigset_t *, sigset_t *));
+#endif
+
+/*
+ * Extra sugar for POSIX signals to deal with the above emulation
+ * as well as the fact that SunOS has a SA_INTERRUPT flag.
+ */
+#ifdef HAVE_SIGACTION
+# ifndef HAVE_SIGACTION_T
+typedef struct sigaction sigaction_t;
+# endif
+# ifndef SA_INTERRUPT 
+#  define SA_INTERRUPT	0
+# endif
+# ifndef SA_RESTART 
+#  define SA_RESTART	0
+# endif
+#endif
+
 #endif /* _SUDO_COMPAT_H */
-- 
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