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
|
#!/bin/bash
[ -f testing.sh ] && . testing.sh
#testing "name" "command" "result" "infile" "stdin"
test_line() {
ONE="$1"; shift; TWO="\"$FILES\"/$1 | sed 's/^.*: //'"; shift
testcmd "$ONE" "$TWO" "$@"
}
ln -s "$FILES"/java.class symlink
LINK=$(readlink symlink)
ln -s "$FILES"/java.klass dangler
BROKEN=$(readlink dangler)
mkdir directory
testing "directory" "file ." ".: directory\n" "" ""
rmdir directory
touch empty
testing "empty" "file empty" "empty: empty\n" "" ""
rm -f empty
testing "script" "file input | grep -o ' script'" " script\n" "#!/bin/bash\n" ""
testing "script with spaces" "file input | grep -o ' script'" " script\n" \
"#! /bin/bash\n" ""
testing "env script" "file input | egrep -o '(python|script)' | sort" \
"python\nscript\n" "#! /usr/bin/env python\n" ""
testing "ascii" "file input" "input: ASCII text\n" "Hello, world!\n" ""
testing "utf-8" \
"file \"$FILES\"/utf8/japan.txt | egrep -o '(UTF-8|text)' | LANG=c sort" \
"UTF-8\ntext\n" "" ""
# TODO each of these has multiple options we could test
testing "java class" \
"file \"$FILES\"/java.class | egrep -o '(Java class|version 53.0)'"\
"Java class\nversion 53.0\n" "" ""
echo "cafebabe000000020100000700000003000040000000d9300000000e0100000c8000000200014000000098500000000e" | xxd -r -p > universal
testcmd "mach-o universal" "universal" \
"universal: Mach-O universal binary with 2 architectures: [x86_64] [arm64]\n" "" ""
rm universal
test_line "tar file" "tar/tar.tar" "POSIX tar archive (GNU)\n" "" ""
testing "gzip data" "file \"$FILES\"/tar/tar.tgz | grep -o 'gzip compressed data'" \
"gzip compressed data\n" "" ""
test_line "bzip2 data" "tar/tar.tbz2" \
"bzip2 compressed data, block size = 900k\n" "" ""
test_line "7z file" "tar/tar.7z" "7-zip archive data, version 0.4\n" "" ""
testing "zip file" \
"file $FILES/zip/example.zip | egrep -o '(Zip archive data|at least v1.0 to extract)'" \
"Zip archive data\nat least v1.0 to extract\n" "" ""
echo R0lGODlhIAAgAMZHAAAAABYWFiYmJioqKi4uLjIy | base64 -d > gif
testing "gif file" "file gif" "gif: GIF image data, version 89a, 32 x 32\n" "" ""
rm -f gif
# TODO: check in a genuine minimal .dex
echo "6465780a3033350038ca8f6ce910f94e" | xxd -r -p > android.dex
testing "Android .dex" "file android.dex | egrep -o '(dex file|version 035)'" \
"dex file\nversion 035\n" "" ""
rm -f android.dex
# These actually test a lot of the ELF code: 32-/64-bit, arm/arm64, PT_INTERP,
# the two kinds of NDK ELF note, BuildID, and stripped/not stripped.
toyonly test_line "Android NDK full ELF note" "elf/ndk-elf-note-full" \
"ELF shared object, 64-bit LSB arm64, dynamic (/system/bin/linker64), for Android 24, built by NDK r19b (5304403), BuildID=0c712b8af424d57041b85326f0000fadad38ee0a, not stripped\n" "" ""
toyonly test_line "Android NDK short ELF note" "elf/ndk-elf-note-short" \
"ELF shared object, 32-bit LSB arm, dynamic (/system/bin/linker), for Android 28, BuildID=da6a5f4ca8da163b9339326e626d8a3c, stripped\n" "" ""
toyonly test_line "ELF static fdpic" "elf/fdstatic" \
"ELF executable (fdpic), 32-bit MSB sh, static, stripped\n" "" ""
testing "broken symlink" "file dangler" "dangler: broken symbolic link to $BROKEN\n" "" ""
testing "symlink" "file symlink" "symlink: symbolic link to $LINK\n" "" ""
testing "symlink -h" "file -h symlink" "symlink: symbolic link to $LINK\n" "" ""
testing "symlink -L" \
"file -L symlink | egrep -o '(symlink:|Java class|version 53.0)'" \
"symlink:\nJava class\nversion 53.0\n" "" ""
# Some host versions say "-" some "/dev/stdin"...
testing "- pipe" "cat $FILES/java.class | file - | egrep -o '(Java class|version 53.0)'" \
"Java class\nversion 53.0\n" "" ""
testing "- redirect" \
"file - <$FILES/java.class | egrep -o '(Java class|version 53.0)'" \
"Java class\nversion 53.0\n" "" ""
zero_dev="1/5"
[ "$(uname)" == "Darwin" ] && zero_dev="3/3"
testing "/dev/zero" "file /dev/zero" "/dev/zero: character special ($zero_dev)\n" "" ""
testing "- </dev/zero" "file - </dev/zero | grep -ow data" "data\n" "" ""
testcmd 'ar' 'input | grep -o " ar archive"' ' ar archive\n' \
"$(echo -e '!<arch>\nhello/ 0 0 0 644 6 `\nworld')\n" ""
testcmd 'cpio' 'input' 'input: ASCII cpio archive (SVR4 with no CRC)\n' \
'07070103344745000081A4000003E800' ''
#TODO block fifo socket
#can't stat (unopenable)
#file
# readerror
# elf
# png (grayscale, color RGB, indexed color, grayscale with alpha, color RGBA
# X x X x-bit/{non-}interlaced
# gif87
# jpeg
# xz
# Ogg (buncha types)
# wav audio (buncha types)
# truetype font/collection
# Opentype font
# LLVM IR bitcode
# PEM certificate
# pe32
# BMP
# Linux perf
# Android sparse image file
# Android boot image
# Android DTB/DTBO
# Android Binary XML
# #! shell script
|
