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CyberShadow / dhcptest

Cross-platform DHCP test client
https://blog.cy.md/2013/01/10/dhcp-test-client
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Option 242 causes error #42

Open youngr13uiuedu opened 6 months ago

youngr13uiuedu commented 6 months ago 
When I try to request option 242, I get an error.

dhcptest-0.9.exe --query --request 242
.\dhcptest-0.9.exe : dhcptest v0.9 - Created by Vladimir Panteleev
At line:1 char:1
+ .\dhcptest-0.9.exe --query --request 242
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (dhcptest v0.9 -...dimir Panteleev 
   :String) [], RemoteException
    + FullyQualifiedErrorId : NativeCommandError

https://github.com/CyberShadow/dhcptest
Run with --help for a list of command-line options.
Listening for DHCP replies on port 68.
Sending packet:
  op=BOOTREQUEST chaddr=3E:64:77:DB:CD:E5 hops=0 xid=53F539A5 secs=0 flags=8000
  ciaddr=0.0.0.0 yiaddr=0.0.0.0 siaddr=0.0.0.0 giaddr=0.0.0.0 sname= file=
  2 options:
     53 (DHCP Message Type): discover
     55 (Parameter Request List): 242 (Unknown)
Received packet from X.X.X.X:67:
core.exception.AssertError@dhcptest.d(616): Assertion failure
----------------
0x00007FF6B1A3CD2C
0x00007FF6B19D38E7
0x00007FF6B19D513D
0x00007FF6B19D9432
0x00007FF6B19D6EB5
0x00007FF6B19D9232
0x00007FF6B19D83B0
0x00007FF6B19D9496
0x00007FF6B1A57693
0x00007FF6B1A574EF
0x00007FF6B1A575EF
0x00007FF6B1A574EF
0x00007FF6B1A57406
0x00007FF6B1A42249
0x00007FF6B19DA812
0x00007FF6B1AA7461
0x00007FF9DFB4257D in BaseThreadInitThunk
0x00007FF9E0C6AA48 in RtlUserThreadStart
  op=BOOTREPLY chaddr=3E:64:77:DB:CD:E5 hops=1 xid=53F539A5 secs=0 flags=8000
  ciaddr=0.0.0.0 yiaddr=X.X.X.X siaddr=10.1.30.91 giaddr=X.X.X.X sname= fi
le=
  7 options:
     53 (DHCP Message Type): offer
      1 (Subnet Mask): 255.0.0.0
     58 (Renewal (T1) Time Value): 1800 (30 minutes)
     59 (Rebinding (T2) Time Value): 3150 (52 minutes and 30 secs)
     51 (IP Address Lease Time): 3600 (1 hour)
     54 (Server Identifier): X.X.X.X
    242 (Unknown): 

I also tried on another computer in a different network and received the following error:

dhcptest-0.9.exe --query --request 242
dhcptest v0.9 - Created by Vladimir Panteleev
https://github.com/CyberShadow/dhcptest
Run with --help for a list of command-line options.

Listening for DHCP replies on port 68.
Sending packet:
  op=BOOTREQUEST chaddr=DE:E8:27:55:AC:93 hops=0 xid=00608295 secs=0 flags=8000
  ciaddr=0.0.0.0 yiaddr=0.0.0.0 siaddr=0.0.0.0 giaddr=0.0.0.0 sname= file=
  2 options:
     53 (DHCP Message Type): discover
     55 (Parameter Request List): 242 (Unknown)
Received packet from X.X.X.X:67:
  op=BOOTREPLY chaddr=DE:E8:27:55:AC:93 hops=0 xid=00608295 secs=0 flags=8000
  ciaddr=0.0.0.0 yiaddr=X.X.X.X siaddr=0.0.0.0 giaddr=0.0.0.0 sname= file=
  12 options:
     53 (DHCP Message Type): offer
     54 (Server Identifier): X.X.X.X
     51 (IP Address Lease Time): 604800 (1 week)
     58 (Renewal (T1) Time Value): 302400 (3 days and 12 hours)
     59 (Rebinding (T2) Time Value): 529200 (6 days and 3 hours)
      1 (Subnet Mask): 255.0.0.0
      2 (Time Offset): 4294949296 (7101 weeks, 3 days, 1 hour, 28 minutes, and 16 secs)
      3 (Router Option): X.X.X.X
      6 (Domain Name Server Option): X.X.X.X, X.X.X.X
     15 (Domain Name): uiu.uiu.edu
     42 (Network Time Protocol Servers Option): 
    224 (Unknown):
core.exception.AssertError@dhcptest.d(616): Assertion failure
----------------
0x00007FF7352ACD2C
0x00007FF7352438E7
0x00007FF73524513D
0x00007FF735249432
0x00007FF735246EB5
0x00007FF735249232
0x00007FF7352483B0
0x00007FF735249496
0x00007FF7352C7693
0x00007FF7352C74EF
0x00007FF7352C75EF
0x00007FF7352C74EF
0x00007FF7352C7406
0x00007FF7352B2249
0x00007FF73524A812
0x00007FF735317461
0x00007FFB668D4CB0 in BaseThreadInitThunk
0x00007FFB6781E8AB in RtlUserThreadStart

dhcptest-0.9.exe --query --option "60=ccp.avaya.com"
dhcptest v0.9 - Created by Vladimir Panteleev
https://github.com/CyberShadow/dhcptest
Run with --help for a list of command-line options.

Listening for DHCP replies on port 68.
Sending packet:
  op=BOOTREQUEST chaddr=06:68:78:35:F0:AD hops=0 xid=3598C65A secs=0 flags=8000
  ciaddr=0.0.0.0 yiaddr=0.0.0.0 siaddr=0.0.0.0 giaddr=0.0.0.0 sname= file=
  2 options:
     53 (DHCP Message Type): discover
     60 (Vendor class identifier): ccp.avaya.com
Received packet from X.X.X.X:67:
  op=BOOTREPLY chaddr=06:68:78:35:F0:AD hops=0 xid=3598C65A secs=0 flags=8000
  ciaddr=0.0.0.0 yiaddr=X.X.X.X siaddr=0.0.0.0 giaddr=0.0.0.0 sname= file=
  12 options:
     53 (DHCP Message Type): offer
     54 (Server Identifier): X.X.X.X
     51 (IP Address Lease Time): 604800 (1 week)
     58 (Renewal (T1) Time Value): 302400 (3 days and 12 hours)
     59 (Rebinding (T2) Time Value): 529200 (6 days and 3 hours)
      1 (Subnet Mask): 255.255.254.0
      2 (Time Offset): 4294949296 (7101 weeks, 3 days, 1 hour, 28 minutes, and 16 secs)
      3 (Router Option): X.X.X.X
      6 (Domain Name Server Option): X.X.X.X, X.X.X.X
     15 (Domain Name): uiu.uiu.edu
     42 (Network Time Protocol Servers Option): 
    224 (Unknown):
core.exception.AssertError@dhcptest.d(616): Assertion failure
----------------
0x00007FF67E70CD2C
0x00007FF67E6A38E7
0x00007FF67E6A513D
0x00007FF67E6A9432
0x00007FF67E6A6EB5
0x00007FF67E6A9232
0x00007FF67E6A83B0
0x00007FF67E6A9496
0x00007FF67E727693
0x00007FF67E7274EF
0x00007FF67E7275EF
0x00007FF67E7274EF
0x00007FF67E727406
0x00007FF67E712249
0x00007FF67E6AA812
0x00007FF67E777461
0x00007FFB668D4CB0 in BaseThreadInitThunk
0x00007FFB6781E8AB in RtlUserThreadStart

Both these machines are windows machines and I used the pre-compiled version on the website for windows.
CyberShadow commented 6 months ago

I think this was fixed by https://github.com/CyberShadow/dhcptest/pull/41

youngr13uiuedu commented 6 months ago

It does. If you download the zip with the .exe for windows, it does work. Thank you!