1d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes/* 2d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Check success injection. 3d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 4d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Copyright (c) 2017 Elvira Khabirova <lineprinter0@gmail.com> 5d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * All rights reserved. 6d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 7d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Redistribution and use in source and binary forms, with or without 8d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * modification, are permitted provided that the following conditions 9d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * are met: 10d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 1. Redistributions of source code must retain the above copyright 11d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * notice, this list of conditions and the following disclaimer. 12d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 2. Redistributions in binary form must reproduce the above copyright 13d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * notice, this list of conditions and the following disclaimer in the 14d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * documentation and/or other materials provided with the distribution. 15d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 3. The name of the author may not be used to endorse or promote products 16d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * derived from this software without specific prior written permission. 17d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 18d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes */ 29d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 30d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include "tests.h" 31d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include <asm/unistd.h> 32d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 33d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#ifdef __NR_chdir 34d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 35d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <assert.h> 36d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <stdio.h> 37d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <stdlib.h> 38d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <unistd.h> 39d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <sys/stat.h> 40d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 41d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesint 42d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesmain(int argc, char *argv[]) 43d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes{ 44d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes assert(argc == 2); 45d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 46d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes static const char dir[] = ".."; 47d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes struct stat before, after; 48d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 49d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (stat(".", &before)) 50d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes perror_msg_and_fail("stat"); 51d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 52d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes long rval = syscall(__NR_chdir, dir); 53d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 54d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (stat(".", &after)) 55d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes perror_msg_and_fail("stat"); 56d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 57d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (before.st_dev != after.st_dev || before.st_ino != after.st_ino) 58d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes error_msg_and_fail("syscall succeeded"); 59d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (atol(argv[1]) != rval) 60d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes error_msg_and_fail("expected retval %s, got retval %ld", 61d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes argv[1], rval); 62d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 63d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes printf("chdir(\"%s\") = %ld (INJECTED)\n", dir, rval); 64d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 65d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes puts("+++ exited with 0 +++"); 66d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes return 0; 67d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes} 68d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 69d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#else 70d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 71d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott HughesSKIP_MAIN_UNDEFINED("__NR_chdir") 72d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 73d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#endif 74