1 /*- 2 * Copyright (c) 2003-2007 Tim Kientzle 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 #include "test.h" 26 __FBSDID("$FreeBSD$"); 27 28 /* Try to force archive_write_open_memory.c to write past the end of an array. */ 29 static unsigned char buff[16384]; 30 31 DEFINE_TEST(test_write_open_memory) 32 { 33 unsigned int i; 34 struct archive *a; 35 struct archive_entry *ae; 36 const char *name="/tmp/test"; 37 38 /* Create a simple archive_entry. */ 39 assert((ae = archive_entry_new()) != NULL); 40 archive_entry_set_pathname(ae, name); 41 archive_entry_set_mode(ae, S_IFREG); 42 assertEqualString(archive_entry_pathname(ae), name); 43 44 /* Try writing with different buffer sizes. */ 45 /* Make sure that we get failure on too-small buffers, success on 46 * large enough ones. */ 47 for (i = 100; i < 1600; i++) { 48 size_t used; 49 size_t blocksize = 94; 50 assert((a = archive_write_new()) != NULL); 51 assertEqualIntA(a, ARCHIVE_OK, 52 archive_write_set_format_ustar(a)); 53 assertEqualIntA(a, ARCHIVE_OK, 54 archive_write_set_bytes_in_last_block(a, 1)); 55 assertEqualIntA(a, ARCHIVE_OK, 56 archive_write_set_bytes_per_block(a, (int)blocksize)); 57 buff[i] = 0xAE; 58 assertEqualIntA(a, ARCHIVE_OK, 59 archive_write_open_memory(a, buff, i, &used)); 60 /* If buffer is smaller than a tar header, this should fail. */ 61 if (i < (511/blocksize)*blocksize) 62 assertEqualIntA(a, ARCHIVE_FATAL, 63 archive_write_header(a,ae)); 64 else 65 assertEqualIntA(a, ARCHIVE_OK, 66 archive_write_header(a, ae)); 67 /* If buffer is smaller than a tar header plus 1024 byte 68 * end-of-archive marker, then this should fail. */ 69 failure("buffer size=%d\n", (int)i); 70 if (i < 1536) 71 assertEqualIntA(a, ARCHIVE_FATAL, 72 archive_write_close(a)); 73 else { 74 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); 75 assertEqualInt(used, archive_filter_bytes(a, -1)); 76 assertEqualInt(archive_filter_bytes(a, -1), 77 archive_filter_bytes(a, 0)); 78 } 79 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 80 assertEqualInt(buff[i], 0xAE); 81 assert(used <= i); 82 } 83 archive_entry_free(ae); 84 } 85