/* * 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. */ /* * Invalid calls to dup2 */ #include #include #include #include #include #include #include #include #include #include "config.h" #include "test.h" static int dup2_fd2(int fd, const char *desc) { int rv, failure; report_begin("%s", desc); rv = dup2(STDIN_FILENO, fd); failure = report_check(rv, errno, EBADF); if (rv != -1) { close(fd); /* just in case */ } return failure; } static int dup2_self(void) { struct stat sb; int rv; int testfd; int failure; /* use fd that isn't in use */ testfd = CLOSED_FD; report_begin("copying stdin to test with"); rv = dup2(STDIN_FILENO, testfd); if (rv == -1) { report_result(rv, errno); report_aborted(&failure); return failure; } report_begin("dup2 to same fd"); rv = dup2(testfd, testfd); if (rv == testfd) { report_passed(&failure); } else if (rv<0) { report_result(rv, errno); report_failure(&failure); } else { report_warnx("returned %d instead", rv); report_failure(&failure); failure = FAILED; } report_begin("fstat fd after dup2 to itself"); rv = fstat(testfd, &sb); if (errno == ENOSYS) { report_saw_enosys(); } report_result(rv, errno); if (rv==0) { report_passed(&failure); } else if (errno != ENOSYS) { report_failure(&failure); } else { report_skipped(&failure); /* no support for fstat; try lseek */ report_begin("lseek fd after dup2 to itself"); rv = lseek(testfd, 0, SEEK_CUR); report_result(rv, errno); if (rv==0 || (rv==-1 && errno==ESPIPE)) { report_passed(&failure); } else { report_failure(&failure); } } close(testfd); return failure; } void test_dup2(void) { int ntests = 0, failure, lost_points = 0; /* This does the first fd. */ test_dup2_fd(&ntests, &lost_points); /* Any interesting cases added here should also go in common_fds.c */ ntests++; failure = dup2_fd2(-1, "dup2 to -1"); handle_result(failure, &lost_points); ntests++; failure = dup2_fd2(-5, "dup2 to -5"); handle_result(failure, &lost_points); ntests++; failure = dup2_fd2(IMPOSSIBLE_FD, "dup2 to impossible fd"); handle_result(failure, &lost_points); #ifdef OPEN_MAX ntests++; failure = dup2_fd2(OPEN_MAX, "dup2 to OPEN_MAX"); handle_result(failure, &lost_points); #else warnx("Warning: OPEN_MAX not defined - test skipped"); #endif ntests++; failure = dup2_self(); handle_result(failure, &lost_points); if(!lost_points) success(TEST161_SUCCESS, SECRET, "/testbin/badcall"); }