freebsd-dev/contrib/libarchive/tar/test/test_option_r.c
Enji Cooper 63ecfce853 Merge changes from vendor to address several Coverity issues with
contrib/libarchive's tests

MFC after:	2 weeks
Obtained from:	libarchive (ebe29c, fd0ea2, f9e3de)
Reported by:	Coverity
2016-12-12 02:21:56 +00:00

134 lines
4.7 KiB
C

/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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 AUTHOR(S) 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.
*/
#include "test.h"
__FBSDID("$FreeBSD$");
/*
* Also see test_option_q for additional validation of -r support.
*/
DEFINE_TEST(test_option_r)
{
char *buff;
char *p0, *p1;
size_t buff_size = 35000;
size_t s, buff_size_rounded;
int r, i;
buff = NULL;
p0 = NULL;
p1 = NULL;
/* Create an archive with one file. */
assertMakeFile("f1", 0644, "abc");
r = systemf("%s cf archive.tar --format=ustar f1 >step1.out 2>step1.err", testprog);
failure("Error invoking %s cf archive.tar f1", testprog);
assertEqualInt(r, 0);
assertEmptyFile("step1.out");
assertEmptyFile("step1.err");
/* Do some basic validation of the constructed archive. */
p0 = slurpfile(&s, "archive.tar");
if (!assert(p0 != NULL))
goto done;
if (!assert(s >= 2048))
goto done;
assertEqualMem(p0 + 0, "f1", 3);
assertEqualMem(p0 + 512, "abc", 3);
assertEqualMem(p0 + 1024, "\0\0\0\0\0\0\0\0", 8);
assertEqualMem(p0 + 1536, "\0\0\0\0\0\0\0\0", 8);
/* Edit that file with a lot more data and update the archive with a new copy. */
buff = malloc(buff_size);
assert(buff != NULL);
if (buff == NULL)
goto done;
for (i = 0; i < (int)buff_size; ++i)
buff[i] = "abcdefghijklmnopqrstuvwxyz"[rand() % 26];
buff[buff_size - 1] = '\0';
assertMakeFile("f1", 0644, buff);
r = systemf("%s rf archive.tar --format=ustar f1 >step2.out 2>step2.err", testprog);
failure("Error invoking %s rf archive.tar f1", testprog);
assertEqualInt(r, 0);
assertEmptyFile("step2.out");
assertEmptyFile("step2.err");
/* The constructed archive should just have the new entry appended. */
p1 = slurpfile(&s, "archive.tar");
if (!assert(p1 != NULL))
goto done;
buff_size_rounded = ((buff_size + 511) / 512) * 512;
assert(s >= 2560 + buff_size_rounded);
/* Verify first entry is unchanged. */
assertEqualMem(p0, p1, 1024);
/* Verify that second entry is correct. */
assertEqualMem(p1 + 1024, "f1", 3);
assertEqualMem(p1 + 1536, buff, buff_size);
/* Verify end-of-archive marker. */
assertEqualMem(p1 + 1536 + buff_size_rounded, "\0\0\0\0\0\0\0\0", 8);
assertEqualMem(p1 + 2048 + buff_size_rounded, "\0\0\0\0\0\0\0\0", 8);
free(p0);
p0 = p1;
/* Update the archive by adding a different file. */
assertMakeFile("f2", 0644, "f2");
r = systemf("%s rf archive.tar --format=ustar f2 >step3.out 2>step3.err", testprog);
failure("Error invoking %s rf archive.tar f2", testprog);
assertEqualInt(r, 0);
assertEmptyFile("step3.out");
assertEmptyFile("step3.err");
/* Validate the constructed archive. */
p1 = slurpfile(&s, "archive.tar");
if (!assert(p1 != NULL))
goto done;
assert(s >= 3584 + buff_size_rounded);
/* Verify first two entries are unchanged. */
assertEqualMem(p0, p1, 1536 + buff_size_rounded);
/* Verify that new entry is correct. */
assertEqualMem(p1 + 1536 + buff_size_rounded, "f2", 3);
assertEqualMem(p1 + 2048 + buff_size_rounded, "f2", 3);
/* Verify end-of-archive marker. */
assertEqualMem(p1 + 2560 + buff_size_rounded, "\0\0\0\0\0\0\0\0", 8);
assertEqualMem(p1 + 3072 + buff_size_rounded, "\0\0\0\0\0\0\0\0", 8);
free(p1);
/* Unpack everything */
assertMakeDir("extract", 0775);
assertChdir("extract");
r = systemf("%s xf ../archive.tar >extract.out 2>extract.err", testprog);
failure("Error invoking %s xf archive.tar", testprog);
assertEqualInt(r, 0);
assertEmptyFile("extract.out");
assertEmptyFile("extract.err");
/* Verify that the second copy of f1 overwrote the first. */
assertFileContents(buff, (int)strlen(buff), "f1");
done:
free(buff);
free(p0);
}