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# 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 \
-C "host=x,user=test,addr=127.0.0.1" 2>/dev/null && \
fail "sshd allowed Include with no argument"
# cleanup
rm -f $OBJ/sshd_config.i $OBJ/sshd_config.i.* $OBJ/sshd_config.out
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