/* * Copyright (C) 1989-1998,2002 by the Massachusetts Institute of Technology, * Cambridge, MA, USA. All Rights Reserved. * * This software is being provided to you, the LICENSEE, by the * Massachusetts Institute of Technology (M.I.T.) under the following * license. By obtaining, using and/or copying this software, you agree * that you have read, understood, and will comply with these terms and * conditions: * * Export of this software from the United States of America may * require a specific license from the United States Government. * It is the responsibility of any person or organization contemplating * export to obtain such a license before exporting. * * WITHIN THAT CONSTRAINT, permission to use, copy, modify and distribute * this software and its documentation for any purpose and without fee or * royalty is hereby granted, provided that you agree to comply with the * following copyright notice and statements, including the disclaimer, and * that the same appear on ALL copies of the software and documentation, * including modifications that you make for internal use or for * distribution: * * THIS SOFTWARE IS PROVIDED "AS IS", AND M.I.T. MAKES NO REPRESENTATIONS * OR WARRANTIES, EXPRESS OR IMPLIED. By way of example, but not * limitation, M.I.T. MAKES NO REPRESENTATIONS OR WARRANTIES OF * MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF * THE LICENSED SOFTWARE OR DOCUMENTATION WILL NOT INFRINGE ANY THIRD PARTY * PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS. * * The name of the Massachusetts Institute of Technology or M.I.T. may NOT * be used in advertising or publicity pertaining to distribution of the * software. Title to copyright in this software and any associated * documentation shall at all times remain with M.I.T., and USER agrees to * preserve same. * * Furthermore if you modify this software you must label * your software as modified software and not distribute it in such a * fashion that it might be confused with the original M.I.T. software. */ /* * "internal" utility functions used by various applications. * They live in libkrb5util. */ #include "autoconf.h" #ifdef HAVE_SYS_TYPES_H #include <sys/types.h> #endif #ifdef HAVE_UNISTD_H #include <unistd.h> #endif #ifdef HAVE_STDLIB_H #include <stdlib.h> #endif #include <errno.h> #ifndef krb5_seteuid #if defined(HAVE_SETEUID) # define krb5_seteuid(EUID) (seteuid((uid_t)(EUID))) #elif defined(HAVE_SETRESUID) # define krb5_seteuid(EUID) setresuid(getuid(), (uid_t)(EUID), geteuid()) #elif defined(HAVE_SETREUID) # define krb5_seteuid(EUID) setreuid(geteuid(), (uid_t)(EUID)) #else /* You need to add a case to deal with this operating system.*/ # define krb5_seteuid(EUID) (errno = EPERM, -1) #endif #ifdef HAVE_SETEGID # define krb5_setegid(EGID) (setegid((gid_t)(EGID))) #elif defined(HAVE_SETRESGID) # define krb5_setegid(EGID) (setresgid(getgid(), (gid_t)(EGID), getegid())) #elif defined(HAVE_SETREGID) # define krb5_setegid(EGID) (setregid(getegid(), (gid_t)(EGID))) #else /* You need to add a case to deal with this operating system.*/ # define krb5_setegid(EGID) (errno = EPERM, -1) #endif #endif