blob: b6a9a248ff2b122adba343d18d2e9b34d81ff61a (
plain)
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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
# Placed in the Public Domain.
tid="server config include"
cat > $OBJ/sshd_config.i << _EOF
HostKey $OBJ/host.ssh-ed25519
Match host a
Banner /aa
Match host b
Banner /bb
Include $OBJ/sshd_config.i.*
Match host c
Include $OBJ/sshd_config.i.*
Banner /cc
Match host m
Include $OBJ/sshd_config.i.*
Match Host d
Banner /dd
Match Host e
Banner /ee
Include $OBJ/sshd_config.i.*
Match Host f
Include $OBJ/sshd_config.i.*
Banner /ff
Match Host n
Include $OBJ/sshd_config.i.*
_EOF
cat > $OBJ/sshd_config.i.0 << _EOF
Match host xxxxxx
_EOF
cat > $OBJ/sshd_config.i.1 << _EOF
Match host a
Banner /aaa
Match host b
Banner /bbb
Match host c
Banner /ccc
Match Host d
Banner /ddd
Match Host e
Banner /eee
Match Host f
Banner /fff
_EOF
cat > $OBJ/sshd_config.i.2 << _EOF
Match host a
Banner /aaaa
Match host b
Banner /bbbb
Match host c
Banner /cccc
Match Host d
Banner /dddd
Match Host e
Banner /eeee
Match Host f
Banner /ffff
Match all
Banner /xxxx
_EOF
trial() {
_host="$1"
_exp="$2"
_desc="$3"
test -z "$_desc" && _desc="test match"
trace "$_desc host=$_host expect=$_exp"
${SUDO} ${REAL_SSHD} -f $OBJ/sshd_config.i -T \
-C "host=$_host,user=test,addr=127.0.0.1" > $OBJ/sshd_config.out ||
fatal "ssh config parse failed: $_desc host=$_host expect=$_exp"
_got=`grep -i '^banner ' $OBJ/sshd_config.out | awk '{print $2}'`
if test "x$_exp" != "x$_got" ; then
fail "$desc_ host $_host include fail: expected $_exp got $_got"
fi
}
trial a /aa
trial b /bb
trial c /ccc
trial d /dd
trial e /ee
trial f /fff
trial m /xxxx
trial n /xxxx
trial x none
# Prepare an included config with an error.
cat > $OBJ/sshd_config.i.3 << _EOF
Banner xxxx
Junk
_EOF
trace "disallow invalid config host=a"
${SUDO} ${REAL_SSHD} -f $OBJ/sshd_config.i \
-C "host=a,user=test,addr=127.0.0.1" 2>/dev/null && \
fail "sshd include allowed invalid config"
trace "disallow invalid config host=x"
${SUDO} ${REAL_SSHD} -f $OBJ/sshd_config.i \
-C "host=x,user=test,addr=127.0.0.1" 2>/dev/null && \
fail "sshd include allowed invalid config"
rm -f $OBJ/sshd_config.i.*
# Ensure that a missing include is not fatal.
cat > $OBJ/sshd_config.i << _EOF
HostKey $OBJ/host.ssh-ed25519
Include $OBJ/sshd_config.i.*
Banner /aa
_EOF
trial a /aa "missing include non-fatal"
# Ensure that Match/Host in an included config does not affect parent.
cat > $OBJ/sshd_config.i.x << _EOF
Match host x
_EOF
trial a /aa "included file does not affect match state"
# Ensure the empty include directive is not accepted
cat > $OBJ/sshd_config.i.x << _EOF
Include
_EOF
trace "disallow invalid with no argument"
${SUDO} ${REAL_SSHD} -f $OBJ/sshd_config.i.x -T \
-C "host=x,user=test,addr=127.0.0.1" 2>/dev/null && \
fail "sshd allowed Include with no argument"
# Ensure the Include before any Match block works as expected (bug #3122)
cat > $OBJ/sshd_config.i << _EOF
Banner /xx
HostKey $OBJ/host.ssh-ed25519
Include $OBJ/sshd_config.i.2
Match host a
Banner /aaaa
_EOF
cat > $OBJ/sshd_config.i.2 << _EOF
Match host a
Banner /aa
_EOF
trace "Include before match blocks"
trial a /aa "included file before match blocks is properly evaluated"
# Port in included file is correctly interpretted (bug #3169)
cat > $OBJ/sshd_config.i << _EOF
Include $OBJ/sshd_config.i.2
Port 7722
_EOF
cat > $OBJ/sshd_config.i.2 << _EOF
HostKey $OBJ/host.ssh-ed25519
_EOF
trace "Port after included files"
${SUDO} ${REAL_SSHD} -f $OBJ/sshd_config.i -T \
-C "host=x,user=test,addr=127.0.0.1" > $OBJ/sshd_config.out || \
fail "failed to parse Port after included files"
_port=`grep -i '^port ' $OBJ/sshd_config.out | awk '{print $2}'`
if test "x7722" != "x$_port" ; then
fail "The Port in included file was intertepretted wrongly. Expected 7722, got $_port"
fi
# cleanup
rm -f $OBJ/sshd_config.i $OBJ/sshd_config.i.* $OBJ/sshd_config.out
|
