1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*-
* 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: src/lib/libarchive/test/test_read_truncated.c,v 1.3 2007/05/29 01:00:21 kientzle Exp $");
char buff[1000000];
char buff2[100000];
DEFINE_TEST(test_read_truncated)
{
struct archive_entry *ae;
struct archive *a;
unsigned int i;
size_t used;
/* Create a new archive in memory. */
assert((a = archive_write_new()) != NULL);
assertA(0 == archive_write_set_format_ustar(a));
assertA(0 == archive_write_set_compression_none(a));
assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
/*
* Write a file to it.
*/
assert((ae = archive_entry_new()) != NULL);
archive_entry_copy_pathname(ae, "file");
archive_entry_set_mode(ae, S_IFREG | 0755);
for (i = 0; i < sizeof(buff2); i++)
buff2[i] = (unsigned char)rand();
archive_entry_set_size(ae, sizeof(buff2));
assertA(0 == archive_write_header(a, ae));
archive_entry_free(ae);
assertA(sizeof(buff2) == archive_write_data(a, buff2, sizeof(buff2)));
/* Close out the archive. */
assertA(0 == archive_write_close(a));
#if ARCHIVE_API_VERSION > 1
assertA(0 == archive_write_finish(a));
#else
archive_write_finish(a);
#endif
/* Now, read back a truncated version of the archive and
* verify that we get an appropriate error. */
for (i = 1; i < used + 100; i += 100) {
assert((a = archive_read_new()) != NULL);
assertA(0 == archive_read_support_format_all(a));
assertA(0 == archive_read_support_compression_all(a));
assertA(0 == archive_read_open_memory(a, buff, i));
if (i < 512) {
assertA(ARCHIVE_FATAL == archive_read_next_header(a, &ae));
goto wrap_up;
} else {
assertA(0 == archive_read_next_header(a, &ae));
}
if (i < 512 + sizeof(buff2)) {
assertA(ARCHIVE_FATAL == archive_read_data(a, buff2, sizeof(buff2)));
goto wrap_up;
} else {
assertA(sizeof(buff2) == archive_read_data(a, buff2, sizeof(buff2)));
}
/* Verify the end of the archive. */
/* Archive must be long enough to capture a 512-byte
* block of zeroes after the entry. (POSIX requires a
* second block of zeros to be written but libarchive
* does not return an error if it can't consume
* it.) */
if (i < 512 + 512*((sizeof(buff2) + 511)/512) + 512) {
assertA(ARCHIVE_FATAL == archive_read_next_header(a, &ae));
} else {
assertA(ARCHIVE_EOF == archive_read_next_header(a, &ae));
}
wrap_up:
assert(0 == archive_read_close(a));
#if ARCHIVE_API_VERSION > 1
assert(0 == archive_read_finish(a));
#else
archive_read_finish(a);
#endif
}
/* Same as above, except skip the body instead of reading it. */
for (i = 1; i < used + 100; i += 100) {
assert((a = archive_read_new()) != NULL);
assertA(0 == archive_read_support_format_all(a));
assertA(0 == archive_read_support_compression_all(a));
assertA(0 == archive_read_open_memory(a, buff, i));
if (i < 512) {
assertA(ARCHIVE_FATAL == archive_read_next_header(a, &ae));
goto wrap_up2;
} else {
assertA(0 == archive_read_next_header(a, &ae));
}
if (i < 512 + 512*((sizeof(buff2)+511)/512)) {
assertA(ARCHIVE_FATAL == archive_read_data_skip(a));
goto wrap_up2;
} else {
assertA(ARCHIVE_OK == archive_read_data_skip(a));
}
/* Verify the end of the archive. */
/* Archive must be long enough to capture a 512-byte
* block of zeroes after the entry. (POSIX requires a
* second block of zeros to be written but libarchive
* does not return an error if it can't consume
* it.) */
if (i < 512 + 512*((sizeof(buff2) + 511)/512) + 512) {
assertA(ARCHIVE_FATAL == archive_read_next_header(a, &ae));
} else {
assertA(ARCHIVE_EOF == archive_read_next_header(a, &ae));
}
wrap_up2:
assert(0 == archive_read_close(a));
#if ARCHIVE_API_VERSION > 1
assert(0 == archive_read_finish(a));
#else
archive_read_finish(a);
#endif
}
}
|
