1 /*- 2 * Copyright (c) 2009-2011 Robert N. M. Watson 3 * Copyright (c) 2011 Jonathan Anderson 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /* 29 * Test routines to make sure a variety of system calls are or are not 30 * available in capability mode. The goal is not to see if they work, just 31 * whether or not they return the expected ECAPMODE. 32 */ 33 34 #include <sys/types.h> 35 36 #include <sys/capsicum.h> 37 #include <sys/errno.h> 38 #include <sys/procdesc.h> 39 #include <sys/resource.h> 40 #include <sys/wait.h> 41 42 #include <err.h> 43 #include <signal.h> 44 #include <stdlib.h> 45 #include <string.h> 46 #include <unistd.h> 47 48 #include <stdio.h> 49 50 #include "cap_test.h" 51 52 void handle_signal(int); 53 void handle_signal(int sig) { 54 exit(PASSED); 55 } 56 57 int 58 test_pdkill(void) 59 { 60 int success = PASSED; 61 int pd, error; 62 pid_t pid; 63 64 //cap_enter(); 65 66 error = pdfork(&pd, 0); 67 if (error < 0) 68 err(-1, "pdfork"); 69 70 else if (error == 0) { 71 signal(SIGINT, handle_signal); 72 sleep(3600); 73 exit(FAILED); 74 } 75 76 /* Parent process; find the child's PID (we'll need it later). */ 77 error = pdgetpid(pd, &pid); 78 if (error != 0) 79 FAIL("pdgetpid"); 80 81 /* Kill the child! */ 82 usleep(100); 83 error = pdkill(pd, SIGINT); 84 if (error != 0) 85 FAIL("pdkill"); 86 87 /* Make sure the child finished properly. */ 88 int status; 89 while (waitpid(pid, &status, 0) != pid) {} 90 if ((success == PASSED) && WIFEXITED(status)) 91 success = WEXITSTATUS(status); 92 else 93 success = FAILED; 94 95 return (success); 96 } 97