regress/cfgmatch.sh

   1 #       $OpenBSD: cfgmatch.sh,v 1.4 2006/12/13 08:36:36 dtucker Exp $
   2 #       Placed in the Public Domain.
   3
   4 tid="sshd_config match"
   5
   6 pidfile=$OBJ/remote_pid
   7 fwdport=3301
   8 fwd="-L $fwdport:127.0.0.1:$PORT"
   9
  10 stop_client()
  11 {
  12         pid=`cat $pidfile`
  13         if [ ! -z "$pid" ]; then
  14                 kill $pid
  15                 sleep 1
  16         fi
  17 }
  18
  19 cp $OBJ/sshd_proxy $OBJ/sshd_proxy_bak
  20
  21 echo "PermitOpen 127.0.0.1:1" >>$OBJ/sshd_config
  22 echo "Match Address 127.0.0.1" >>$OBJ/sshd_config
  23 echo "PermitOpen 127.0.0.1:$PORT" >>$OBJ/sshd_config
  24
  25 echo "PermitOpen 127.0.0.1:1" >>$OBJ/sshd_proxy
  26 echo "Match Address 127.0.0.1" >>$OBJ/sshd_proxy
  27 echo "PermitOpen 127.0.0.1:$PORT" >>$OBJ/sshd_proxy
  28
  29 start_sshd
  30
  31 #set -x
  32
  33 # Test Match + PermitOpen in sshd_config.  This should be permitted
  34 for p in 1 2; do
  35         rm -f $pidfile
  36         trace "match permitopen localhost proto $p"
  37         ${SSH} -$p $fwd -F $OBJ/ssh_config -f somehost \
  38             exec sh -c \'"echo \$\$ > $pidfile; exec sleep 100"\' >>$TEST_SSH_LOGFILE 2>&1 ||\
  39             fail "match permitopen proto $p sshd failed"
  40         sleep 1;
  41         ${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true || \
  42             fail "match permitopen permit proto $p"
  43         stop_client
  44 done
  45
  46 # Same but from different source.  This should not be permitted
  47 for p in 1 2; do
  48         rm -f $pidfile
  49         trace "match permitopen proxy proto $p"
  50         ${SSH} -q -$p $fwd -F $OBJ/ssh_proxy -f somehost \
  51             exec sh -c \'"echo \$\$ > $pidfile; exec sleep 100"\' >>$TEST_SSH_LOGFILE 2>&1 ||\
  52             fail "match permitopen proxy proto $p sshd failed"
  53         sleep 1;
  54         ${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true && \
  55             fail "match permitopen deny proto $p"
  56         stop_client
  57 done
  58
  59 # Retry previous with key option, should also be denied.
  60 echo -n 'permitopen="127.0.0.1:'$PORT'" ' >$OBJ/authorized_keys_$USER
  61 cat $OBJ/rsa.pub >> $OBJ/authorized_keys_$USER
  62 echo -n 'permitopen="127.0.0.1:'$PORT'" ' >>$OBJ/authorized_keys_$USER
  63 cat $OBJ/rsa1.pub >> $OBJ/authorized_keys_$USER
  64 for p in 1 2; do
  65         rm -f $pidfile
  66         trace "match permitopen proxy w/key opts proto $p"
  67         ${SSH} -q -$p $fwd -F $OBJ/ssh_proxy -f somehost \
  68             exec sh -c \'"echo \$\$ > $pidfile; exec sleep 100"\' >>$TEST_SSH_LOGFILE 2>&1 ||\
  69             fail "match permitopen w/key opt proto $p sshd failed"
  70         sleep 1;
  71         ${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true && \
  72             fail "match permitopen deny w/key opt proto $p"
  73         stop_client
  74 done
  75
  76 # Test both sshd_config and key options permitting the same dst/port pair.
  77 # Should be permitted.
  78 for p in 1 2; do
  79         rm -f $pidfile
  80         trace "match permitopen localhost proto $p"
  81         ${SSH} -$p $fwd -F $OBJ/ssh_config -f somehost \
  82             exec sh -c \'"echo \$\$ > $pidfile; exec sleep 100"\' >>$TEST_SSH_LOGFILE 2>&1 ||\
  83             fail "match permitopen proto $p sshd failed"
  84         sleep 1;
  85         ${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true || \
  86             fail "match permitopen permit proto $p"
  87         stop_client
  88 done
  89
  90 cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy
  91 echo "PermitOpen 127.0.0.1:1 127.0.0.1:$PORT 127.0.0.2:2" >>$OBJ/sshd_proxy
  92 echo "Match User $USER" >>$OBJ/sshd_proxy
  93 echo "PermitOpen 127.0.0.1:1 127.0.0.1:2" >>$OBJ/sshd_proxy
  94
  95 # Test that a Match overrides a PermitOpen in the global section
  96 for p in 1 2; do
  97         rm -f $pidfile
  98         trace "match permitopen proxy w/key opts proto $p"
  99         ${SSH} -q -$p $fwd -F $OBJ/ssh_proxy -f somehost \
 100             exec sh -c \'"echo \$\$ > $pidfile; exec sleep 100"\' >>$TEST_SSH_LOGFILE 2>&1 ||\
 101             fail "match override permitopen proto $p sshd failed"
 102         sleep 1;
 103         ${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true && \
 104             fail "match override permitopen proto $p"
 105         stop_client
 106 done
 107
 108 cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy
 109 echo "PermitOpen 127.0.0.1:1 127.0.0.1:$PORT 127.0.0.2:2" >>$OBJ/sshd_proxy
 110 echo "Match User NoSuchUser" >>$OBJ/sshd_proxy
 111 echo "PermitOpen 127.0.0.1:1 127.0.0.1:2" >>$OBJ/sshd_proxy
 112
 113 # Test that a rule that doesn't match doesn't override, plus test a
 114 # PermitOpen entry that's not at the start of the list
 115 for p in 1 2; do
 116         rm -f $pidfile
 117         trace "nomatch permitopen proxy w/key opts proto $p"
 118         ${SSH} -q -$p $fwd -F $OBJ/ssh_proxy -f somehost \
 119             exec sh -c \'"echo \$\$ > $pidfile; exec sleep 100"\' >>$TEST_SSH_LOGFILE 2>&1 ||\
 120             fail "nomatch override permitopen proto $p sshd failed"
 121         sleep 1;
 122         ${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true || \
 123             fail "nomatch override permitopen proto $p"
 124         stop_client
 125 done