NAME

  HTR_A_In_DM_DSTH_optdata - Host Transport Mode AH Inbound, Detect modification of DstOpt header option data before AH
  


TARGET

  Host


INITIALIZATION

For details of Network Topology, see 00README

Set NUT's SAD and SPD as following:

              NET5      NET3
    HOST1_NET5 -- Router -- NUT
         -----transport----->

Security Association Database (SAD)

source address HOST1_NET5
destination address NUT_NET3
SPI 0x1000
mode transport
protocol AH
AH algorithm HMAC-MD5
AH algorithm key TAHITEST89ABCDEF

Security Policy Database (SPD)

source address HOST1_NET5
destination address NUT_NET3
upper spec any
direction in
protocol AH
mode transport


TEST PROCEDURE

 Tester                      Target
   |                           |
 Subtest No.1 "option bit 000: option data is immutable"
   |                           |
   |-------------------------->|
   |      ICMP Echo Request    |
   |      with [DSTH][AH]      |
   |                           |
   |<--------------------------|
   |      ICMP Echo Reply      |
   |        Judgement #1       |
   |                           |
   |-------------------------->|
   |      ICMP Echo Request    |
   |      with [DSTH][AH]      |
   |  (option type=0x02, option data of DSTH is modified)
   |                           |
   | (<----------------------) |
   |     No ICMP Echo Reply    |
   |        Judgement #2       |
   v                           v
 Subtest No.2 "option bit 001: option data is mutable";
   |                           |
   |-------------------------->|
   |      ICMP Echo Request    |
   |      with [DSTH][AH]      |
   |  (option type=0x22, option data of DSTH is modified)
   |                           |
   |<--------------------------|
   |      ICMP Echo Reply      |
   |        Judgement #3       |
   |                           |
   v                           v

ICMP Echo Request with [DSTH][AH]

IP Header Source Address HOST1_NET5
Destination Address NUT_NET3
Destination Options Header Type 0x02
Data Length 4
Data 0x0f0f0000
AH SPI 0x1000
Sequence Number 1
Algorithm HMAC-MD5
Key TAHITEST89ABCDEF
ICMP Type 128 (Echo Request)

ICMP Echo Reply

IP Header Source Address NUT_NET3
Destination Address HOST1_NET5
ICMP Type 129 (Echo Reply)

ICMP Echo Request with [DSTH][AH] (option type=0x02, option data of DSTH is modified)

IP Header Source Address HOST1_NET5
Destination Address NUT_NET3
Destination Options Header Type 0x02
Data Length 4
Data 0x00000000 (0x0f0f0000 is original)
AH SPI 0x1000
Sequence Number 1
Algorithm HMAC-MD5
Key TAHITEST89ABCDEF
ICMP Type 128 (Echo Request)

ICMP Echo Request with [DSTH][AH] (option type=0x22, option data of DSTH is modified)

IP Header Source Address HOST1_NET5
Destination Address NUT_NET3
Destination Options Header Type 0x22
Data Length 4
Data 0x1f1f0000 (0x0f0f0000 is original)
AH SPI 0x1000
Sequence Number 1
Algorithm HMAC-MD5
Key TAHITEST89ABCDEF
ICMP Type 128 (Echo Request)


JUDGMENT

  Judgement #1:
      Receive ICMP Echo Reply (MUST)
  Judgement #2:
      Receive nothing (MUST)
  Judgement #3:
      Receive ICMP Echo Reply (MUST)


SEE ALSO

  perldoc V6evalTool
  IPSEC.html IPsec Test Common Utility