M7350/system/extras/tests/bionic/libc/common/test_seteuid.c
2024-09-09 08:57:42 +00:00

58 lines
2.0 KiB
C

/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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
* COPYRIGHT OWNER OR CONTRIBUTORS 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, WHETHER 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.
*/
#include <unistd.h>
#include <stdio.h>
#include <sys/types.h>
int main( void )
{
uid_t ruid, euid;
printf( "sizeof(uid_t) = %d sizeof(gid_t) = %d\n", sizeof(uid_t), sizeof(gid_t) );
ruid = getuid();
euid = geteuid();
printf("Start: ruid=%d euid=%d\n", ruid, euid);
if (seteuid(9999) != 0)
perror("seteuid(9999)");
ruid = getuid();
euid = geteuid();
printf("After set: ruid=%d euid=%d\n", ruid, euid);
if (seteuid(0) != 0)
perror("seteuid(0)");
ruid = getuid();
euid = geteuid();
printf("After restore: ruid=%d euid=%d\n", ruid, euid);
return 0;
}