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