From 8bc6d03ecffa6c3613e477c4ef07a6ed6794f8db Mon Sep 17 00:00:00 2001
From: Hans Nilsson <hans@erlang.org>
Date: Thu, 22 Oct 2015 17:35:12 +0200
Subject: ssh: testcases for bad service names
---
lib/ssh/test/ssh_protocol_SUITE.erl | 99 ++++++++++++++++++++++++++++---------
1 file changed, 77 insertions(+), 22 deletions(-)
(limited to 'lib')
diff --git a/lib/ssh/test/ssh_protocol_SUITE.erl b/lib/ssh/test/ssh_protocol_SUITE.erl
index 743282ce9c..03c2ce53cb 100644
--- a/lib/ssh/test/ssh_protocol_SUITE.erl
+++ b/lib/ssh/test/ssh_protocol_SUITE.erl
@@ -46,7 +46,8 @@ suite() ->
all() ->
[{group,tool_tests},
- {group,kex}
+ {group,kex},
+ {group,service_requests}
].
groups() ->
@@ -61,7 +62,13 @@ groups() ->
gex_client_init_default_exact,
gex_client_init_option_groups,
gex_client_init_option_groups_file
- ]}
+ ]},
+ {service_requests, [], [bad_service_name,
+ bad_long_service_name,
+ bad_very_long_service_name,
+ empty_service_name,
+ bad_service_name_then_correct
+ ]}
].
@@ -114,25 +121,10 @@ end_per_testcase(_TestCase, Config) ->
%%% Connect to an erlang server and check that the testlib acts as a client.
lib_works_as_client(Config) ->
%% Connect and negotiate keys
- {ok,InitialState} =
- ssh_trpt_test_lib:exec(
- [{set_options, [print_ops, print_seqnums, print_messages]},
- {connect,
- server_host(Config),server_port(Config),
- [{preferred_algorithms,[{kex,['diffie-hellman-group1-sha1']}]},
- {silently_accept_hosts, true},
- {user_dir, user_dir(Config)},
- {user_interaction, false}]},
- receive_hello,
- {send, hello},
- {send, ssh_msg_kexinit},
- {match, #ssh_msg_kexinit{_='_'}, receive_msg},
- {send, ssh_msg_kexdh_init},
- {match,# ssh_msg_kexdh_reply{_='_'}, receive_msg},
- {send, #ssh_msg_newkeys{}},
- {match, #ssh_msg_newkeys{_='_'}, receive_msg}
- ]
- ),
+ {ok,InitialState} = ssh_trpt_test_lib:exec(
+ [{set_options, [print_ops, print_seqnums, print_messages]}]
+ ),
+ {ok,AfterKexState} = connect_and_kex(Config, InitialState),
%% Do the authentcation
{User,Pwd} = server_user_password(Config),
@@ -147,7 +139,7 @@ lib_works_as_client(Config) ->
?STRING(unicode:characters_to_binary(Pwd))>>
}},
{match, #ssh_msg_userauth_success{_='_'}, receive_msg}
- ], InitialState),
+ ], AfterKexState),
%% Disconnect
{ok,_} =
@@ -375,6 +367,48 @@ do_gex_client_init(Config, {Min,N,Max}, {_,{G,P}}) ->
]
).
+
+%%%--------------------------------------------------------------------
+bad_service_name(Config) ->
+ bad_service_name(Config, "kfglkjf").
+
+bad_long_service_name(Config) ->
+ bad_service_name(Config,
+ lists:duplicate(?SSH_MAX_PACKET_SIZE div 2, $a)).
+
+bad_very_long_service_name(Config) ->
+ bad_service_name(Config,
+ lists:duplicate(4*?SSH_MAX_PACKET_SIZE, $a)).
+
+empty_service_name(Config) ->
+ bad_service_name(Config, "").
+
+bad_service_name_then_correct(Config) ->
+ {ok,InitialState} = connect_and_kex(Config),
+ {ok,_} =
+ ssh_trpt_test_lib:exec(
+ [{set_options, [print_ops, print_seqnums, print_messages]},
+ {send, #ssh_msg_service_request{name = "kdjglkfdjgkldfjglkdfjglkfdjglkj"}},
+ {send, #ssh_msg_service_request{name = "ssh-connection"}},
+ {match, {'or',[#ssh_msg_disconnect{_='_'},
+ tcp_closed
+ ]},
+ receive_msg}
+ ], InitialState).
+
+
+bad_service_name(Config, Name) ->
+ {ok,InitialState} = connect_and_kex(Config),
+ {ok,_} =
+ ssh_trpt_test_lib:exec(
+ [{set_options, [print_ops, print_seqnums, print_messages]},
+ {send, #ssh_msg_service_request{name = Name}},
+ {match, {'or',[#ssh_msg_disconnect{_='_'},
+ tcp_closed
+ ]},
+ receive_msg}
+ ], InitialState).
+
%%%================================================================
%%%==== Internal functions ========================================
%%%================================================================
@@ -482,3 +516,24 @@ std_connect(Host, Port, Config, Opts) ->
30000).
%%%----------------------------------------------------------------
+connect_and_kex(Config) ->
+ connect_and_kex(Config, ssh_trpt_test_lib:exec([]) ).
+
+connect_and_kex(Config, InitialState) ->
+ ssh_trpt_test_lib:exec(
+ [{connect,
+ server_host(Config),server_port(Config),
+ [{preferred_algorithms,[{kex,['diffie-hellman-group1-sha1']}]},
+ {silently_accept_hosts, true},
+ {user_dir, user_dir(Config)},
+ {user_interaction, false}]},
+ receive_hello,
+ {send, hello},
+ {send, ssh_msg_kexinit},
+ {match, #ssh_msg_kexinit{_='_'}, receive_msg},
+ {send, ssh_msg_kexdh_init},
+ {match,# ssh_msg_kexdh_reply{_='_'}, receive_msg},
+ {send, #ssh_msg_newkeys{}},
+ {match, #ssh_msg_newkeys{_='_'}, receive_msg}
+ ],
+ InitialState).
--
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