From a848231ae0f346dc7cc000973fbeb65b0894ee92 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 21:59:03 +0200 Subject: Adding upstream version 3.8.5. Signed-off-by: Daniel Baumann --- src/util/set_eugid.h | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 src/util/set_eugid.h (limited to 'src/util/set_eugid.h') diff --git a/src/util/set_eugid.h b/src/util/set_eugid.h new file mode 100644 index 0000000..97a523e --- /dev/null +++ b/src/util/set_eugid.h @@ -0,0 +1,43 @@ +#ifndef _SET_EUGID_H_INCLUDED_ +#define _SET_EUGID_H_INCLUDED_ + +/*++ +/* NAME +/* set_eugid 3h +/* SUMMARY +/* set effective user and group attributes +/* SYNOPSIS +/* #include +/* DESCRIPTION +/* .nf + + /* External interface. */ + +extern void set_eugid(uid_t, gid_t); + + /* + * The following macros open and close a block that runs at a different + * privilege level. To make mistakes with stray curly braces less likely, we + * shape the macros below as the head and tail of a do-while loop. + */ +#define SAVE_AND_SET_EUGID(uid, gid) do { \ + uid_t __set_eugid_uid = geteuid(); \ + gid_t __set_eugid_gid = getegid(); \ + set_eugid((uid), (gid)); + +#define RESTORE_SAVED_EUGID() \ + set_eugid(__set_eugid_uid, __set_eugid_gid); \ + } while (0) + +/* LICENSE +/* .ad +/* .fi +/* The Secure Mailer license must be distributed with this software. +/* AUTHOR(S) +/* Wietse Venema +/* IBM T.J. Watson Research +/* P.O. Box 704 +/* Yorktown Heights, NY 10598, USA +/*--*/ + +#endif -- cgit v1.2.3