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-rw-r--r--usr.bin/at/privs.h76
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diff --git a/usr.bin/at/privs.h b/usr.bin/at/privs.h
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-/* $NetBSD: privs.h,v 1.10 2016/03/13 00:33:12 dholland Exp $ */
-
-/*
- * privs.h - header for privileged operations
- * Copyright (C) 1993 Thomas Koenig
- *
- * 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. The name of the author(s) may not be used to endorse or promote
- * products derived from this software without specific prior written
- * permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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 AUTHOR(S) 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, WETHER 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: OpenBSD: privs.h,v 1.4 1997/03/01 23:40:12 millert Exp
- */
-
-#ifndef _PRIVS_H_
-#define _PRIVS_H_
-
-/*
- * Used by: usr.bin/at
- * Used by: libexec/atrun
- */
-
-/*
- * Relinquish privileges temporarily for a setuid or setgid program
- * with the option of getting them back later. This is done by
- * using POSIX saved user and groups ids. Call RELINQUISH_PRIVS once
- * at the beginning of the main program. This will cause all operations
- * to be executed with the real userid. When you need the privileges
- * of the setuid/setgid invocation, call PRIV_START; when you no longer
- * need it, call PRIV_END. Note that it is an error to call PRIV_START
- * and not PRIV_END within the same function.
- *
- * Use RELINQUISH_PRIVS_ROOT(a,b) if your program started out running
- * as root, and you want to drop back the effective userid to a
- * and the effective group id to b, with the option to get them back
- * later.
- *
- * Problems: Do not use return between PRIV_START and PRIV_END; this
- * will cause the program to continue running in an unprivileged
- * state.
- *
- * It is NOT safe to call exec(), system() or popen() with a user-
- * supplied program (i.e. without carefully checking PATH and any
- * library load paths) with relinquished privileges; the called program
- * can acquire them just as easily. Set both effective and real userid
- * to the real userid before calling any of them.
- */
-
-extern uid_t real_uid, effective_uid;
-extern gid_t real_gid, effective_gid;
-
-void privs_relinquish(void);
-void privs_relinquish_root(uid_t ruid, gid_t rgid);
-
-void privs_enter(void);
-void privs_exit(void);
-
-/* caller provides this */
-__dead void privs_fail(const char *msg);
-
-#endif /* _PRIV_H_ */