/*
* Copyright (c) 2001 Proofpoint, 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 setgid works.
** Compile it, make it set-group-ID guest, and run it as yourself (NOT as
** root and not as member of the group guest).
**
** Compilation is trivial -- just "cc t_setgid.c". Make it set-group-ID,
** guest and then execute it as a non-root user.
*/
#include <unistd.h>
#include <stdio.h>
#ifndef lint
#endif /* ! lint */
static void
char *str;
gid_t r, e;
{
}
int
int argc;
char **argv;
{
int fail = 0;
int res;
{
printf("SETUP ERROR: re-run set-group-ID guest\n");
exit(1);
}
#if SM_CONF_SETREGID
#else /* SM_CONF_SETREGID */
#endif /* SM_CONF_SETREGID */
#if SM_CONF_SETREGID
#else /* SM_CONF_SETREGID */
#endif /* SM_CONF_SETREGID */
{
fail++;
printf("MAYDAY! Wrong effective gid\n");
}
{
fail++;
printf("MAYDAY! Wrong real gid\n");
}
/* do activity here */
if (setgid(0) == 0)
{
fail++;
printf("MAYDAY! setgid(0) succeeded (should have failed)\n");
}
else
{
printf("setgid(0) failed (this is correct)\n");
}
{
fail++;
printf("MAYDAY! Wrong effective gid\n");
}
{
fail++;
printf("MAYDAY! Wrong real gid\n");
}
printf("\n");
if (fail > 0)
{
printf("\nThis system cannot use %s to set the real gid to the effective gid\nand clear the saved gid.\n",
#if SM_CONF_SETREGID
"setregid"
#else /* SM_CONF_SETREGID */
"setgid"
#endif /* SM_CONF_SETREGID */
);
exit(1);
}
printf("\nIt is possible to use setgid on this system\n");
exit(0);
}