diff options
Diffstat (limited to 'contrib/sendmail/test/t_setuid.c')
-rw-r--r-- | contrib/sendmail/test/t_setuid.c | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/contrib/sendmail/test/t_setuid.c b/contrib/sendmail/test/t_setuid.c deleted file mode 100644 index 6533339..0000000 --- a/contrib/sendmail/test/t_setuid.c +++ /dev/null @@ -1,111 +0,0 @@ -/* - * Copyright (c) 2001 Sendmail, Inc. and its suppliers. - * All rights reserved. - * - * By using this file, you agree to the terms and conditions set - * forth in the LICENSE file which can be found at the top level of - * the sendmail distribution. - * - */ - -/* -** This program checks to see if your version of setuid works. -** Compile it, make it set-user-ID root, and run it as yourself (NOT as -** root). -** -** NOTE: This should work everywhere, but Linux has the ability -** to use the undocumented setcap() call to make this break. -** -** Compilation is trivial -- just "cc t_setuid.c". Make it set-user-ID, -** root and then execute it as a non-root user. -*/ - -#include <sys/types.h> -#include <unistd.h> -#include <stdio.h> - -#ifndef lint -static char id[] = "@(#)$Id: t_setuid.c,v 8.7 2001/09/23 03:35:41 ca Exp $"; -#endif /* ! lint */ - -static void -printuids(str, r, e) - char *str; - uid_t r, e; -{ - printf("%s (should be %d/%d): r/euid=%d/%d\n", str, (int) r, (int) e, - (int) getuid(), (int) geteuid()); -} - -int -main(argc, argv) - int argc; - char **argv; -{ - int fail = 0; - uid_t realuid = getuid(); - - printuids("initial uids", realuid, 0); - - if (geteuid() != 0) - { - printf("SETUP ERROR: re-run set-user-ID root\n"); - exit(1); - } - - if (getuid() == 0) - { - printf("SETUP ERROR: must be run by a non-root user\n"); - exit(1); - } - - if (setuid(1) < 0) - printf("setuid(1) failure\n"); - printuids("after setuid(1)", 1, 1); - - if (geteuid() != 1) - { - fail++; - printf("MAYDAY! Wrong effective uid\n"); - } - - if (getuid() != 1) - { - fail++; - printf("MAYDAY! Wrong real uid\n"); - } - - - /* do activity here */ - if (setuid(0) == 0) - { - fail++; - printf("MAYDAY! setuid(0) succeeded (should have failed)\n"); - } - else - { - printf("setuid(0) failed (this is correct)\n"); - } - printuids("after setuid(0)", 1, 1); - - if (geteuid() != 1) - { - fail++; - printf("MAYDAY! Wrong effective uid\n"); - } - if (getuid() != 1) - { - fail++; - printf("MAYDAY! Wrong real uid\n"); - } - printf("\n"); - - if (fail) - { - printf("\nThis system cannot use setuid (maybe use setreuid)\n"); - exit(1); - } - - printf("\nIt is safe to use setuid on this system\n"); - exit(0); -} |