6 files changed, 132 insertions, 8 deletions
diff --git a/lib/libc/sys/Makefile.inc b/lib/libc/sys/Makefile.inc
index 3deb3bbcc702..d0689839bf9d 100644
--- a/lib/libc/sys/Makefile.inc
+++ b/lib/libc/sys/Makefile.inc
@@ -1,4 +1,5 @@
-#	@(#)Makefile.inc	5.11 (Berkeley) 6/23/91
+#	From: @(#)Makefile.inc	5.11 (Berkeley) 6/23/91
+#	$Id: Makefile.inc,v 1.16 1994/03/16 19:01:06 wollman Exp $
 
 # sys sources
 .PATH: ${.CURDIR}/${MACHINE}/sys ${.CURDIR}/sys
@@ -19,7 +20,8 @@ ASM=	accept.o access.o acct.o adjtime.o async_daemon.o bind.o chdir.o \
 	getpriority.o getrlimit.o getrusage.o getsockname.o getsockopt.o \
 	gettimeofday.o getuid.o ioctl.o kill.o ktrace.o link.o listen.o \
 	lseek.o lstat.o madvise.o mincore.o mkdir.o mkfifo.o mknod.o \
-	mmap.o mount.o mprotect.o msgsys.o msync.o munmap.o nfssvc.o open.o \
+	mmap.o mount.o mprotect.o msgsys.o msync.o munmap.o nfssvc.o \
+	ntp_adjtime.o ntp_gettime.o open.o \
 	profil.o quotactl.o read.o readlink.o readv.o recvfrom.o recvmsg.o \
 	rename.o revoke.o rmdir.o select.o semsys.o sendmsg.o sendto.o \
 	setdomainname.o setegid.o seteuid.o setgid.o setgroups.o sethostid.o \
@@ -96,7 +98,7 @@ MAN2+=	sys/accept.2 sys/access.2 sys/acct.2 sys/adjtime.2 sys/async_daemon.2 \
 	sys/msync.2 sys/munmap.2 sys/nfssvc.2 sys/open.2 sys/pipe.2 \
 	sys/quotactl.2 sys/read.2 sys/readlink.2 sys/reboot.2 sys/recv.2 \
 	sys/rename.2 sys/rmdir.2 sys/select.2 sys/send.2 sys/setgroups.2 \
-	sys/setpgid.2 sys/setregid.2 sys/setreuid.2 sys/setsid.2 \
+	sys/setpgid.2 sys/setregid.2 sys/setreuid.2 sys/setsid.2 sys/setuid.2 \
 	sys/shutdown.2 sys/sigaction.2 sys/sigprocmask.2 sys/sigreturn.2 \
 	sys/sigstack.2 sys/sigsuspend.2 sys/socket.2 sys/socketpair.2 \
 	sys/stat.2 sys/statfs.2 sys/swapon.2 sys/symlink.2 sys/sync.2 \
@@ -127,6 +129,7 @@ MLINKS+=mount.2 unmount.2
 MLINKS+=read.2 readv.2
 MLINKS+=recv.2 recvfrom.2 recv.2 recvmsg.2
 MLINKS+=send.2 sendmsg.2 send.2 sendto.2
+MLINKS+=setuid.2 setegid.2 setuid.2 seteuid.2 setuid.2 setgid.2
 MLINKS+=setpgid.2 setpgrp.2
 MLINKS+=stat.2 fstat.2 stat.2 lstat.2
 MLINKS+=statfs.2 fstatfs.2
diff --git a/lib/libc/sys/execve.2 b/lib/libc/sys/execve.2
index 726de1f88448..48405320181d 100644
--- a/lib/libc/sys/execve.2
+++ b/lib/libc/sys/execve.2
@@ -30,7 +30,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     From: @(#)execve.2	6.9 (Berkeley) 3/10/91
-.\"	$Id: execve.2,v 1.2.2.1 1994/05/01 16:06:05 jkh Exp $
+.\"	$Id: execve.2,v 1.4 1994/03/16 19:10:39 wollman Exp $
 .\"
 .Dd March 16, 1994
 .Dt EXECVE 2
diff --git a/lib/libc/sys/setregid.2 b/lib/libc/sys/setregid.2
index 86b0aa7949be..764f89403e3a 100644
--- a/lib/libc/sys/setregid.2
+++ b/lib/libc/sys/setregid.2
@@ -30,7 +30,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     From: @(#)setregid.2	6.4 (Berkeley) 3/10/91
-.\"	$Id: setregid.2,v 1.1.1.1.2.1 1994/05/01 16:06:13 jkh Exp $
+.\"	$Id: setregid.2,v 1.2 1994/03/16 19:01:08 wollman Exp $
 .\"
 .Dd March 16, 1994
 .Dt SETREGID 2
diff --git a/lib/libc/sys/setreuid.2 b/lib/libc/sys/setreuid.2
index de34b029ab57..62f5dcdae68d 100644
--- a/lib/libc/sys/setreuid.2
+++ b/lib/libc/sys/setreuid.2
@@ -30,7 +30,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     From: @(#)setreuid.2	6.4 (Berkeley) 3/10/91
-.\"	$Id: setreuid.2,v 1.1.1.1.2.1 1994/05/01 16:06:14 jkh Exp $
+.\"	$Id: setreuid.2,v 1.2 1994/03/16 19:01:09 wollman Exp $
 .\"
 .Dd March 16, 1994
 .Dt SETREUID 2
diff --git a/lib/libc/sys/setuid.2 b/lib/libc/sys/setuid.2
new file mode 100644
index 000000000000..eb596cc4918f
--- /dev/null
+++ b/lib/libc/sys/setuid.2
@@ -0,0 +1,121 @@
+.\" Copyright (c) 1983, 1991 Regents of the University of California.
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     From: @(#)setuid.3	6.4 (Berkeley) 4/19/91
+.\"	$Id: setuid.2,v 1.2 1994/04/21 21:30:20 wollman Exp $
+.\"
+.Dd March 16, 1994
+.Dt SETUID 2
+.Os
+.Sh NAME
+.Nm setuid ,
+.Nm seteuid ,
+.\" .Nm setruid ,
+.Nm setgid ,
+.Nm setegid ,
+.\" .Nm setrgid
+.Nd set user and group ID
+.Sh SYNOPSIS
+.Fd #include <sys/types.h>
+.Ft int
+.Fn setuid "uid_t uid"
+.Ft int
+.Fn seteuid "uid_t euid"
+.\" .Ft int
+.\" .Fn setruid "uid_t ruid"
+.Ft int
+.Fn setgid "gid_t gid"
+.Ft int
+.Fn setegid "gid_t egid"
+.\" .Ft int
+.\" .Fn setrgid "gid_t rgid"
+.Sh DESCRIPTION
+The
+.Fn setuid
+function
+.Pq Fn setgid
+sets the real, effective, and saved
+user IDs (group IDs) of the current process
+as specified.
+.Pp
+The
+.Fn seteuid
+function
+.Pq Fn setegid
+sets the effective user ID (group ID) of the
+current process.
+.\".Pp
+.\" The
+.\" .Fn setruid
+.\" function
+.\" .Pq Fn setrgid
+.\" sets the real user ID (group ID) of the
+.\" current process.
+.Pp
+When any of these calls succeed, the
+.Dv SUGID
+process flag is turned on, and remains on until the process calls
+.Xr execve 2 ;
+this flag can be inspected with
+.Xr ps 1 .
+.Sh RETURN VALUES
+Upon success, these functions return 0;
+otherwise \-1 is returned.
+.Pp
+If the user is not the super user, and the ID specified is not the
+current real ID, the
+.Nm setuid
+and
+.Nm setgid
+functions return \-1.
+.Pp
+If the user is not the super user, and the ID specfied is not the
+current real ID, the
+.\" nor the saved ID, the
+.\" should this really be true that setuid(geteuid()) is not allowed?
+.Nm seteuid
+and
+.Nm setegid
+functions return \-1.
+.Sh SEE ALSO
+.Xr setreuid 2 ,
+.Xr setregid 2 ,
+.Xr getuid 2 ,
+.Xr getgid 2 ,
+.Xr execve 2 ,
+.Xr ps 1
+.Sh HISTORY
+A
+.Fn setuid
+and
+.Fn setgid
+syscall appeared in 
+.At v6 .
diff --git a/lib/libc/sys/sigsuspend.2 b/lib/libc/sys/sigsuspend.2
index 8e0c73001c10..2b09e707f5e5 100644
--- a/lib/libc/sys/sigsuspend.2
+++ b/lib/libc/sys/sigsuspend.2
@@ -36,7 +36,7 @@
 .Os
 .Sh NAME
 .Nm sigsuspend
-.Nd automatically release blocked signals and wait for interrupt
+.Nd atomically release blocked signals and wait for interrupt
 .Sh SYNOPSIS
 .Fd #include <sys/signal.h>
 .Ft int
@@ -74,7 +74,7 @@ set to
 .Xr sigsetops 3
 .Sh STANDARDS
 The
-.Nm sigsupend
+.Nm sigsuspend
 function call
 conforms to
 .St -p1003.1-88 .