/* * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009 * The President and Fellows of Harvard College. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY 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 UNIVERSITY 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. */ /* * bad calls to execv() */ #include <sys/types.h> #include <stdlib.h> #include <unistd.h> #include <errno.h> #include <err.h> #include "config.h" #include "test.h" static int exec_common_fork(void) { int pid, rv, status; pid = fork(); if (pid<0) { warn("UH-OH: fork failed"); return -1; } if (pid==0) { /* child */ return 0; } rv = waitpid(pid, &status, 0); if (rv == -1) { warn("UH-OH: waitpid failed"); return -1; } if (!WIFEXITED(status) || WEXITSTATUS(status) != MAGIC_STATUS) { warnx("FAILURE: wrong exit code of subprocess"); } return 1; } static void exec_badprog(const void *prog, const char *desc) { int rv; char *args[2]; args[0] = (char *)"foo"; args[1] = NULL; if (exec_common_fork() != 0) { return; } rv = execv(prog, args); report_test(rv, errno, EFAULT, desc); exit(MAGIC_STATUS); } static void exec_emptyprog(void) { int rv; char *args[2]; args[0] = (char *)"foo"; args[1] = NULL; if (exec_common_fork() != 0) { return; } rv = execv("", args); report_test2(rv, errno, EINVAL, EISDIR, "exec the empty string"); exit(MAGIC_STATUS); } static void exec_badargs(void *args, const char *desc) { int rv; if (exec_common_fork() != 0) { return; } rv = execv("/bin/true", args); report_test(rv, errno, EFAULT, desc); exit(MAGIC_STATUS); } static void exec_onearg(void *ptr, const char *desc) { int rv; char *args[3]; args[0] = (char *)"foo"; args[1] = (char *)ptr; args[2] = NULL; if (exec_common_fork() != 0) { return; } rv = execv("/bin/true", args); report_test(rv, errno, EFAULT, desc); exit(MAGIC_STATUS); } void test_execv(void) { exec_badprog(NULL, "exec NULL"); exec_badprog(INVAL_PTR, "exec invalid pointer"); exec_badprog(KERN_PTR, "exec kernel pointer"); exec_emptyprog(); exec_badargs(NULL, "exec /bin/true with NULL arglist"); exec_badargs(INVAL_PTR, "exec /bin/true with invalid pointer arglist"); exec_badargs(KERN_PTR, "exec /bin/true with kernel pointer arglist"); exec_onearg(INVAL_PTR, "exec /bin/true with invalid pointer arg"); exec_onearg(KERN_PTR, "exec /bin/true with kernel pointer arg"); }