233 lines
4.4 KiB
C
233 lines
4.4 KiB
C
/*
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* Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
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* The President and Fellows of Harvard College.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Calls with invalid transfer buffers
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <limits.h>
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#include <errno.h>
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#include <err.h>
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#include "config.h"
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#include "test.h"
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static int buf_fd;
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struct buftest {
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int (*setup)(void);
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int (*op)(void *);
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void (*cleanup)(void);
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const char *name;
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};
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////////////////////////////////////////////////////////////
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static
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int
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read_setup(void)
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{
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buf_fd = open_testfile("i do not like green eggs and ham");
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if (buf_fd<0) {
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return -1;
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}
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return 0;
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}
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static
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int
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read_badbuf(void *buf)
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{
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return read(buf_fd, buf, 128);
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}
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static
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void
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read_cleanup(void)
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{
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close(buf_fd);
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remove(TESTFILE);
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}
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//////////
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static
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int
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write_setup(void)
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{
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buf_fd = open_testfile(NULL);
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if (buf_fd<0) {
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return -1;
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}
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return 0;
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}
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static
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int
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write_badbuf(void *ptr)
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{
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return write(buf_fd, ptr, 128);
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}
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static
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void
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write_cleanup(void)
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{
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close(buf_fd);
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remove(TESTFILE);
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}
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//////////
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static
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int
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getdirentry_setup(void)
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{
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buf_fd = open(".", O_RDONLY);
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if (buf_fd < 0) {
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warn("UH-OH: couldn't open .");
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return -1;
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}
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return 0;
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}
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static
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int
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getdirentry_badbuf(void *ptr)
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{
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return getdirentry(buf_fd, ptr, 1024);
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}
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static
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void
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getdirentry_cleanup(void)
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{
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close(buf_fd);
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}
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//////////
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static
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int
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readlink_setup(void)
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{
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return create_testlink();
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}
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static
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int
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readlink_badbuf(void *buf)
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{
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return readlink(TESTLINK, buf, 168);
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}
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static
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void
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readlink_cleanup(void)
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{
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remove(TESTLINK);
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}
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//////////
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static int getcwd_setup(void) { return 0; }
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static void getcwd_cleanup(void) {}
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static
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int
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getcwd_badbuf(void *buf)
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{
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return __getcwd(buf, 408);
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}
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////////////////////////////////////////////////////////////
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static
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int
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common_badbuf(struct buftest *info, void *buf, const char *bufdesc)
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{
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int rv;
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int result;
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report_begin("%s with %s buffer", info->name, bufdesc);
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info->setup();
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rv = info->op(buf);
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result = report_check(rv, errno, EFAULT);
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info->cleanup();
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return result;
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}
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static
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int
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any_badbuf(struct buftest *info, int *ntests, int *lost_points)
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{
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int result;
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*ntests += 1;
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result = common_badbuf(info, NULL, "NULL");
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handle_result(result, lost_points);
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*ntests += 1;
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result = common_badbuf(info, INVAL_PTR, "invalid");
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handle_result(result, lost_points);
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*ntests += 1;
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result = common_badbuf(info, KERN_PTR, "kernel-space");
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handle_result(result, lost_points);
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return result;
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}
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////////////////////////////////////////////////////////////
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#define T(call) \
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void \
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test_##call##_buf(int *ntests, int *lost_points) \
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{ \
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static struct buftest info = { \
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call##_setup, \
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call##_badbuf, \
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call##_cleanup, \
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#call, \
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}; \
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any_badbuf(&info, ntests, lost_points); \
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}
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T(read);
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T(write);
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T(getdirentry);
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T(readlink);
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T(getcwd);
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