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smtpsrv: Add fuzz testing

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This patch adds a fuzz test for the smtpsrv package.

It brings up a server for test, and then fuzz the data sent over the
network.
This commit is contained in:
Alberto Bertogli
2019-11-06 00:39:18 +00:00
parent 933b979220
commit 34339c4572
12 changed files with 343 additions and 0 deletions
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9
internal/smtpsrv/testdata/fuzz/corpus/t-auth_multi_dialog vendored Normal file
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@@ -0,0 +1,9 @@
2EHLO localhost
AUTH SOMETHINGELSE
AUTH PLAIN
dXNlckB0ZXN0c2VydmVyAHlalala==
AUTH PLAIN
dXNlckB0ZXN0c2VydmVyAHVzZXJAdGVzdHNlcnZlcgB3cm9uZ3Bhc3N3b3Jk
AUTH PLAIN
dXNlckB0ZXN0c2VydmVyAHVzZXJAdGVzdHNlcnZlcgBzZWNyZXRwYXNzd29yZA==
AUTH PLAIN

2
internal/smtpsrv/testdata/fuzz/corpus/t-auth_not_tls vendored Normal file
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@@ -0,0 +1,2 @@
0EHLO localhost
AUTH PLAIN

6
internal/smtpsrv/testdata/fuzz/corpus/t-auth_too_many_failures vendored Normal file
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@@ -0,0 +1,6 @@
0EHLO localhost
AUTH PLAIN something
AUTH PLAIN something
AUTH PLAIN something
AUTH PLAIN something
AUTH PLAIN something

15
internal/smtpsrv/testdata/fuzz/corpus/t-bad_data vendored Normal file
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@@ -0,0 +1,15 @@
0DATA
HELO localhost
DATA
MAIL FROM:<a@b>
RCPT TO: user@testserver
DATA
From: Mailer daemon <somewhere@horns.com>
Subject: I've come to haunt you
Bad header
Muahahahaha
.
QUIT

6
internal/smtpsrv/testdata/fuzz/corpus/t-bad_mail_from vendored Normal file
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@@ -0,0 +1,6 @@
0HELO localhost
MAIL LALA: <>
MAIL FROM:
MAIL FROM:<pepe>
MAIL FROM:<a@xn--->
MAIL FROM:<aaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaX@bbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbX>

8
internal/smtpsrv/testdata/fuzz/corpus/t-bad_rcpt_to vendored Normal file
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@@ -0,0 +1,8 @@
0HELO localhost
MAIL FROM:<test@testy.com>
RCPT LALA: <>
RCPT TO:
RCPT TO:<pepe>
RCPT TO:<a@xn--->
RCPT TO:<henryⅣ@testserver>
RCPT TO:<aaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaXaaaa5aaaaX@bbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbXbbbb5bbbbX>

3
internal/smtpsrv/testdata/fuzz/corpus/t-empty_helo vendored Normal file
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@@ -0,0 +1,3 @@
0HELO
EHLO
HELO localhost

2
internal/smtpsrv/testdata/fuzz/corpus/t-helo vendored Normal file
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@@ -0,0 +1,2 @@
0HELO localhost
QUIT

13
internal/smtpsrv/testdata/fuzz/corpus/t-null_address vendored Normal file
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@@ -0,0 +1,13 @@
0EHLO localhost
MAIL FROM: <>
RCPT TO: user@testserver
DATA
From: Mailer daemon <somewhere@báratro>
Subject: I've come to haunt you
Message-ID: <booooo>
Ñañañañaña!
.
QUIT

12
internal/smtpsrv/testdata/fuzz/corpus/t-sendmail vendored Normal file
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@@ -0,0 +1,12 @@
0EHLO localhost
MAIL FROM: <>
RCPT TO: user@testserver
DATA
From: Mailer daemon <somewhere@horns.com>
Subject: I've come to haunt you
Muahahahaha
.
QUIT

2
internal/smtpsrv/testdata/fuzz/corpus/t-unknown_command vendored Normal file
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@@ -0,0 +1,2 @@
0EHLO localhost
WHATISTHIS