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test: oss-fuzz support for fuzzing

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Signed-off-by: Arjun Singh <ajsinghyadav00@gmail.com>
This commit is contained in:
Arjun Singh
2023-05-12 17:58:37 +05:30
committed by Leander Beernaert
parent cfca429067
commit cb8174dbfd
4 changed files with 92 additions and 0 deletions
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20
pkg/message/header_test.go
View File

@ -110,3 +110,23 @@ func TestReadHeaderBodyInvalidHeader(t *testing.T) {
assert.Equal(t, 0, header.Len())
assert.Equal(t, []byte(data), body)
}
func FuzzReadHeaderBody(f *testing.F) {
header := `Content-Type: application/msword; name="=E5=B8=B6=E6=9C=89=E5=A4=96=E5=9C=8B=E5=AD=97=E7=AC=A6=E7=9A=84=E9=99=84=E4=
=BB=B6.DOC"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="=E5=B8=B6=E6=9C=89=E5=A4=96=E5=9C=8B=E5=AD=97=E7=AC=A6=E7=9A=84=E9=99=84=E4=
=BB=B6.DOC"
Content-ID: <>
`
data0 := "key: value\r\n\r\nbody\n"
data1 := "key: value\r\n\r\nbody\n"
f.Add([]byte(header))
f.Add([]byte(data0))
f.Add([]byte(data1))
f.Fuzz(func(t *testing.T, b []byte) {
_, _, _ = readHeaderBody(b)
})
}

16
pkg/message/parser/parser_test.go
View File

@ -18,6 +18,7 @@
package parser
import (
"bytes"
"io"
"os"
"path/filepath"
@ -50,3 +51,18 @@ func getFileAsString(filename string) string {
return string(b)
}
func FuzzNewParser(f *testing.F) {
inSeed1, err1 := os.ReadFile(filepath.Join("testdata", "text_html_octet_attachment.eml"))
inSeed2, err2 := os.ReadFile(filepath.Join("testdata", "complex_structure.eml"))
require.NoError(f, err1)
require.NoError(f, err2)
f.Add(inSeed1)
f.Add(inSeed2)
f.Fuzz(func(t *testing.T, data []byte) {
_, _ = New(bytes.NewReader(data))
})
}

36
pkg/mime/encoding_test.go
View File

@ -455,3 +455,39 @@ func TestEncodeReader(t *testing.T) {
}
}
}
func FuzzDecodeHeader(f *testing.F) {
seedCorpus := []string{
"",
"=?iso-2022-jp?Q?=1B$B!Z=1B(BTimes_Car_PLUS=1B$B![JV5Q>Z=1B(B?=",
`=?iso-2022-jp?Q?iTunes_Movie_=1B$B%K%e!<%j%j!<%9$HCmL\:nIJ=1B(B?=`,
"=?UTF-8?B?w4TDi8OPw5bDnA==?= =?UTF-8?B?IMOkw6vDr8O2w7w=?=",
"=?ISO-8859-2?B?xMtJ1tw=?= =?ISO-8859-2?B?IOTrafb8?=",
"=?uknown?B?xMtJ1tw=?= =?ISO-8859-2?B?IOTrafb8?=",
}
for _, s := range seedCorpus {
f.Add(s)
}
f.Fuzz(func(t *testing.T, raw string) {
_, _ = DecodeHeader(raw)
})
}
func FuzzDecodeCharset(f *testing.F) {
f.Add([]byte{0xC1, 0xDA, 0xC2, 0xD5, 0xCB, 0xC1, 0xC1, 0xC2, 0xD7, 0xC7, 0xC4, 0xC5, 0xA3})
f.Add([]byte{0xD0, 0xB0, 0xD0, 0xB7, 0xD0, 0xB1, 0xD1, 0x83, 0xD0, 0xBA, 0xD0, 0xB0, 0xD0, 0xB0, 0xD0, 0xB1, 0xD0, 0xB2, 0xD0, 0xB3, 0xD0, 0xB4, 0xD0, 0xB5, 0xD1, 0x91})
f.Add([]byte("He wes Leovena+APA-es sone -- li+APA-e him be Drihten.+A6QDtw- +A7MDuwPOA8MDwwOx- +A7wDvwPF- +A60DtAPJA8MDsQO9- +A7UDuwO7A7cDvQO5A7oDrg-. +BCcENQRABD0ENQQ7BDg- +BDgENwQxBEs- +BDcENAQ1BEEETA- +BDg- +BEIEMAQ8-,+BCcENQRABD0ENQQ7BDg- +BDgENwQxBEs- +BDcENAQ1BEEETA- +BDg- +BEIEMAQ8-,+C68LvguuC7ELvwuoC80LpA- +C64Lygu0C78LlQuzC78LsgvH- +C6QLrgu/C7QLzQuuC8oLtAu/- +C6oLywuyC80- +C4cLqQu/C6QLvgu1C6QLwQ- +C44LmQvNC5ULwQuuC80- +C5ULvgujC8sLrgvN-."))
f.Add([]byte{196, 203, 214, 220, 228, 235, 246, 252})
f.Add([]byte{0x95, 0xb6, 0x8e, 0x9a, 0x95, 0x84, 0x8d, 0x86, 0x89, 0xbb, 0x95, 0xfb, 0x8e, 0xae, 0x53, 0x68, 0x69, 0x66, 0x74, 0x5f, 0x4a, 0x49, 0x53, 0x82, 0xcc, 0x90, 0xdd, 0x8c, 0x76, 0x8e, 0xd2, 0x82, 0xe7, 0x82, 0xcd, 0x81, 0x41, 0x90, 0xe6, 0x8d, 0x73, 0x82, 0xb5, 0x82, 0xc4, 0x82, 0xe6, 0x82, 0xad, 0x97, 0x98, 0x97, 0x70, 0x82, 0xb3, 0x82, 0xea, 0x82, 0xc4, 0x82, 0xa2, 0x82, 0xbd, 0x4a, 0x49, 0x53, 0x20, 0x43, 0x20, 0x36, 0x32, 0x32, 0x30, 0x81, 0x69, 0x8c, 0xbb, 0x8d, 0xdd, 0x82, 0xcc, 0x4a, 0x49, 0x53, 0x20, 0x58, 0x20, 0x30, 0x32, 0x30, 0x31, 0x81, 0x6a, 0x82, 0xcc, 0x38, 0x83, 0x72, 0x83, 0x62, 0x83, 0x67, 0x95, 0x84, 0x8d, 0x86, 0x81, 0x69, 0x88, 0xc8, 0x89, 0xba, 0x81, 0x75, 0x89, 0x70, 0x90, 0x94, 0x8e, 0x9a, 0x81, 0x45, 0x94, 0xbc, 0x8a, 0x70, 0x83, 0x4a, 0x83, 0x69, 0x81, 0x76, 0x81, 0x6a, 0x82, 0xc6, 0x81, 0x41, 0x4a, 0x49, 0x53, 0x20, 0x43, 0x20, 0x36, 0x32, 0x32, 0x36, 0x81, 0x69, 0x8c, 0xbb, 0x8d, 0xdd, 0x82, 0xcc, 0x4a, 0x49, 0x53, 0x20, 0x58, 0x20, 0x30, 0x32, 0x30, 0x38, 0x81, 0x41, 0x88, 0xc8, 0x89, 0xba, 0x81, 0x75, 0x8a, 0xbf, 0x8e, 0x9a, 0x81, 0x76, 0x81, 0x6a, 0x82, 0xcc, 0x97, 0xbc, 0x95, 0xb6, 0x8e, 0x9a, 0x8f, 0x57, 0x8d, 0x87, 0x82, 0xf0, 0x95, 0x5c, 0x8c, 0xbb, 0x82, 0xb5, 0x82, 0xe6, 0x82, 0xa4, 0x82, 0xc6, 0x82, 0xb5, 0x82, 0xbd, 0x81, 0x42, 0x82, 0xdc, 0x82, 0xbd, 0x81, 0x41, 0x83, 0x74, 0x83, 0x40, 0x83, 0x43, 0x83, 0x8b, 0x82, 0xcc, 0x91, 0xe5, 0x82, 0xab, 0x82, 0xb3, 0x82, 0xe2, 0x8f, 0x88, 0x97, 0x9d, 0x8e, 0x9e, 0x8a, 0xd4, 0x82, 0xcc, 0x92, 0x5a, 0x8f, 0x6b, 0x82, 0xf0, 0x90, 0x7d, 0x82, 0xe9, 0x82, 0xbd, 0x82, 0xdf, 0x81, 0x41, 0x83, 0x47, 0x83, 0x58, 0x83, 0x50, 0x81, 0x5b, 0x83, 0x76, 0x83, 0x56, 0x81, 0x5b, 0x83, 0x50, 0x83, 0x93, 0x83, 0x58, 0x82, 0xc8, 0x82, 0xb5, 0x82, 0xc5, 0x8d, 0xac, 0x8d, 0xdd, 0x89, 0xc2, 0x94, 0x5c, 0x82, 0xc9, 0x82, 0xb7, 0x82, 0xe9, 0x82, 0xb1, 0x82, 0xc6, 0x82, 0xf0, 0x8a, 0xe9, 0x90, 0x7d, 0x82, 0xb5, 0x82, 0xbd, 0x81, 0x42})
f.Fuzz(func(t *testing.T, original []byte) {
_, _ = DecodeCharset(original, "text/plain; charset=koi8-r")
_, _ = DecodeCharset(original, "text/plain; charset=iso-8859-5")
_, _ = DecodeCharset(original, "text/plain; charset=windows-1250")
_, _ = DecodeCharset(original, "text/plain; charset=csWrong")
_, _ = DecodeCharset(original, "text/plain; charset=GB2312")
})
}