Mercurial > dropbear

comparison test/test_svrauth.py @ 1885:5d8dbb6fdab7

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Fix SSH_PUBKEYINFO, limit characters, add tests We fix a bad_bufptr() failure from a previous commit. We now limit the allowed characters to those that will definitely be safe in a shell. Some scripts/programs may use arbitrary environment variables without escaping correctly - that could be a problem in a restricted environment. The current allowed set is a-z A-Z 0-9 .,_-+@ This also adds a test for SSH_PUBKEYINFO, by default it only runs under github actions (or "act -j build").
author Matt Johnston <matt@ucc.asn.au>
date Wed, 16 Mar 2022 17:17:23 +0800
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children 30fd047f6ebf
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1884:75d6a9faf919 1885:5d8dbb6fdab7
1 from test_dropbear import *
2 import signal
3 import queue
4 import socket
5 import os
6 from pathlib import Path
7
8 # Tests for server side authentication
9
10 # Requires keyfile and authorized_keys set up in github action build.yml
11 @pytest.mark.skipif('DBTEST_IN_ACTION' not in os.environ, reason="DBTEST_PUBKEYINFO not set")
12 def test_pubkeyinfo(request, dropbear):
13 kf = str(Path.home() / ".ssh/id_dropbear_key2")
14 r = dbclient(request, "-i", kf, "echo -n $SSH_PUBKEYINFO", capture_output=True)
15 # stop at first space
16 assert r.stdout.decode() == "key2"
17
18 @pytest.mark.skipif('DBTEST_IN_ACTION' not in os.environ, reason="DBTEST_PUBKEYINFO not set")
19 def test_pubkeyinfo_special(request, dropbear):
20 kf = str(Path.home() / ".ssh/id_dropbear_key3")
21 r = dbclient(request, "-i", kf, "echo -n $SSH_PUBKEYINFO", capture_output=True)
22 # comment contains special characters so the SSH_PUBKEYINFO should not be set
23 assert r.stdout.decode() == ""
24
25 @pytest.mark.skipif('DBTEST_IN_ACTION' not in os.environ, reason="DBTEST_PUBKEYINFO not set")
26 def test_pubkeyinfo_okchar(request, dropbear):
27 kf = str(Path.home() / ".ssh/id_dropbear_key4")
28 r = dbclient(request, "-i", kf, "echo -n $SSH_PUBKEYINFO", capture_output=True)
29 # comment contains special characters so the SSH_PUBKEYINFO should not be set
30 assert r.stdout.decode() == "key4,char"