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Add Icmp::Request#to_ruby and Reply#to_ruby
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| Feature: Icmp::Reply | ||
| Scenario: create an ICMP reply | ||
| When I create a packet with: | ||
| """ | ||
| Pio::Icmp::Reply.new( | ||
| source_mac: '00:26:82:eb:ea:d1', | ||
| destination_mac: '00:16:9d:1d:9c:c4', | ||
| source_ip_address: '192.168.83.254', | ||
| destination_ip_address: '192.168.83.3', | ||
| identifier: 256, | ||
| sequence_number: 0 | ||
| ) | ||
| """ | ||
| Then the packet has the following fields and values: | ||
| | field | value | | ||
| | class | Pio::Icmp::Reply | | ||
| | destination_mac | 00:16:9d:1d:9c:c4 | | ||
| | source_mac | 00:26:82:eb:ea:d1 | | ||
| | ether_type | 2048 | | ||
| | ip_version | 4 | | ||
| | ip_header_length | 5 | | ||
| | ip_type_of_service | 0 | | ||
| | ip_total_length | 50 | | ||
| | ip_identifier | 0 | | ||
| | ip_flag | 0 | | ||
| | ip_fragment | 0 | | ||
| | ip_ttl | 128 | | ||
| | ip_protocol | 1 | | ||
| | ip_header_checksum | 4729 | | ||
| | source_ip_address | 192.168.83.254 | | ||
| | destination_ip_address | 192.168.83.3 | | ||
| | ip_option | | | ||
| | icmp_type | 0 | | ||
| | icmp_code | 0 | | ||
| | icmp_checksum | 65279 | | ||
| | icmp_identifier | 256 | | ||
| | icmp_sequence_number | 0 | | ||
| | echo_data | | | ||
|
|
||
| Scenario: Icmp::Reply instance inspection | ||
| When I create a packet with: | ||
| """ | ||
| Pio::Icmp::Reply.new( | ||
| destination_mac: '00:26:82:eb:ea:d1', | ||
| source_mac: '00:16:9d:1d:9c:c4', | ||
| source_ip_address: '1.2.3.4', | ||
| destination_ip_address: '4.3.2.1', | ||
| identifier: 256, | ||
| sequence_number: 0 | ||
| ).inspect | ||
| """ | ||
| Then the result of eval should be: | ||
| """ | ||
| #<Icmp::Reply destination_mac: "00:26:82:eb:ea:d1", source_mac: "00:16:9d:1d:9c:c4", ether_type: 2048, ip_version: 4, ip_header_length: 5, ip_type_of_service: 0, ip_total_length: 50, ip_identifier: 0, ip_flag: 0, ip_fragment: 0, ip_ttl: 128, ip_protocol: 1, ip_header_checksum: 12482, source_ip_address: "1.2.3.4", destination_ip_address: "4.3.2.1", ip_option: "", icmp_type: 0, icmp_code: 0, icmp_checksum: 65279, icmp_identifier: 256, icmp_sequence_number: 0, echo_data: ""> | ||
| """ | ||
|
|
||
| Scenario: Icmp::Reply class inspection | ||
| When I eval the following Ruby code: | ||
| """ruby | ||
| Pio::Icmp::Reply.inspect | ||
| """ | ||
| Then the result of eval should be: | ||
| """ | ||
| Icmp::Reply(destination_mac: mac_address, source_mac: mac_address, ether_type: uint16, vlan_pcp: bit3, vlan_cfi: bit1, vlan_vid: bit12, ip_version: bit4, ip_header_length: bit4, ip_type_of_service: uint8, ip_total_length: uint16, ip_identifier: uint16, ip_flag: bit3, ip_fragment: bit13, ip_ttl: uint8, ip_protocol: uint8, ip_header_checksum: uint16, source_ip_address: ip_address, destination_ip_address: ip_address, ip_option: string, icmp_type: uint8, icmp_code: uint8, icmp_checksum: uint16, icmp_identifier: uint16, icmp_sequence_number: uint16, echo_data: string) | ||
| """ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| Feature: Icmp::Request | ||
| Scenario: create an ICMP request | ||
| When I create a packet with: | ||
| """ | ||
| Pio::Icmp::Request.new( | ||
| source_mac: '00:16:9d:1d:9c:c4', | ||
| destination_mac: '00:26:82:eb:ea:d1', | ||
| source_ip_address: '192.168.83.3', | ||
| destination_ip_address: '192.168.83.254' | ||
| ) | ||
| """ | ||
| Then the packet has the following fields and values: | ||
| | field | value | | ||
| | class | Pio::Icmp::Request | | ||
| | destination_mac | 00:26:82:eb:ea:d1 | | ||
| | source_mac | 00:16:9d:1d:9c:c4 | | ||
| | ether_type | 2048 | | ||
| | ip_version | 4 | | ||
| | ip_header_length | 5 | | ||
| | ip_type_of_service | 0 | | ||
| | ip_total_length | 50 | | ||
| | ip_identifier | 0 | | ||
| | ip_flag | 0 | | ||
| | ip_fragment | 0 | | ||
| | ip_ttl | 128 | | ||
| | ip_protocol | 1 | | ||
| | ip_header_checksum | 4729 | | ||
| | source_ip_address | 192.168.83.3 | | ||
| | destination_ip_address | 192.168.83.254 | | ||
| | ip_option | | | ||
| | icmp_type | 8 | | ||
| | icmp_code | 0 | | ||
| | icmp_checksum | 63231 | | ||
| | icmp_identifier | 256 | | ||
| | icmp_sequence_number | 0 | | ||
| | echo_data | | | ||
|
|
||
| Scenario: Icmp::Request instance inspection | ||
| When I create a packet with: | ||
| """ | ||
| Pio::Icmp::Request.new( | ||
| destination_mac: '00:26:82:eb:ea:d1', | ||
| source_mac: '00:16:9d:1d:9c:c4', | ||
| source_ip_address: '1.2.3.4', | ||
| destination_ip_address: '4.3.2.1' | ||
| ).inspect | ||
| """ | ||
| Then the result of eval should be: | ||
| """ | ||
| #<Icmp::Request destination_mac: "00:26:82:eb:ea:d1", source_mac: "00:16:9d:1d:9c:c4", ether_type: 2048, ip_version: 4, ip_header_length: 5, ip_type_of_service: 0, ip_total_length: 50, ip_identifier: 0, ip_flag: 0, ip_fragment: 0, ip_ttl: 128, ip_protocol: 1, ip_header_checksum: 12482, source_ip_address: "1.2.3.4", destination_ip_address: "4.3.2.1", ip_option: "", icmp_type: 8, icmp_code: 0, icmp_checksum: 63231, icmp_identifier: 256, icmp_sequence_number: 0, echo_data: ""> | ||
| """ | ||
|
|
||
| Scenario: Icmp::Request class inspection | ||
| When I eval the following Ruby code: | ||
| """ruby | ||
| Pio::Icmp::Request.inspect | ||
| """ | ||
| Then the result of eval should be: | ||
| """ | ||
| Icmp::Request(destination_mac: mac_address, source_mac: mac_address, ether_type: uint16, vlan_pcp: bit3, vlan_cfi: bit1, vlan_vid: bit12, ip_version: bit4, ip_header_length: bit4, ip_type_of_service: uint8, ip_total_length: uint16, ip_identifier: uint16, ip_flag: bit3, ip_fragment: bit13, ip_ttl: uint8, ip_protocol: uint8, ip_header_checksum: uint16, source_ip_address: ip_address, destination_ip_address: ip_address, ip_option: string, icmp_type: uint8, icmp_code: uint8, icmp_checksum: uint16, icmp_identifier: uint16, icmp_sequence_number: uint16, echo_data: string) | ||
| """ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| [ | ||
| 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, # destination_mac | ||
| 0x66, 0x55, 0x44, 0x33, 0x22, 0x11, # source_mac | ||
| 0x08, 0x00, # ether_type | ||
| 0b0100_0101, # ip_version, ip_header_length | ||
| 0x00, # ip_type_of_service | ||
| 0x00, 0x32, # ip_total_length | ||
| 0x00, 0x00, # ip_identifier | ||
| 0b000_0000000000000, # ip_flag, ip_fragment | ||
| 0x80, # ip_ttl | ||
| 0x01, # ip_protocol | ||
| 0x12, 0x79, # ip_header_checksum | ||
| 0xc0, 0xa8, 0x53, 0x03, # source_ip_address | ||
| 0xc0, 0xa8, 0x53, 0xfe, # destination_ip_address | ||
| 0x00, # icmp_type | ||
| 0x00, # icmp_code | ||
| 0xfe, 0xff, # icmp_checksum | ||
| 0x01, 0x00, # icmp_identifier | ||
| 0x00, 0x00, # icmp_sequence_number | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
| 0x00, 0x00, # padding | ||
| ].pack('C20nC42') |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| [ | ||
| 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, # destination_mac | ||
| 0x66, 0x55, 0x44, 0x33, 0x22, 0x11, # source_mac | ||
| 0x08, 0x00, # ether_type | ||
| 0b0100_0101, # ip_version, ip_header_length | ||
| 0x00, # ip_type_of_service | ||
| 0x00, 0x32, # ip_total_length | ||
| 0x00, 0x00, # ip_identifier | ||
| 0b000_0000000000000, # ip_flag, ip_fragment | ||
| 0x80, # ip_ttl | ||
| 0x01, # ip_protocol | ||
| 0x12, 0x79, # ip_header_checksum | ||
| 0xc0, 0xa8, 0x53, 0x03, # source_ip_address | ||
| 0xc0, 0xa8, 0x53, 0xfe, # destination_ip_address | ||
| 0x08, # icmp_type | ||
| 0x00, # icmp_code | ||
| 0xf6, 0xff, # icmp_checksum | ||
| 0x01, 0x00, # icmp_identifier | ||
| 0x00, 0x00, # icmp_sequence_number | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
| 0x00, 0x00, # padding | ||
| ].pack('C20nC42') |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,14 +1,20 @@ | ||
| require 'pio/icmp/format' | ||
| require 'pio/icmp/reply' | ||
| require 'pio/icmp/request' | ||
| require 'pio/message_type_selector' | ||
|
|
||
| # Packet parser and generator library. | ||
| module Pio | ||
| # Icmp parser and generator. | ||
| class Icmp | ||
| extend MessageTypeSelector | ||
| message_type Request::TYPE => Request, Reply::TYPE => Reply | ||
| def self.read(raw_data) | ||
| format = Format.read(raw_data) | ||
| message = { Request::TYPE => Request, | ||
| Reply::TYPE => Reply }.fetch(format.icmp_type).allocate | ||
| message.instance_variable_set :@format, format | ||
| message | ||
| rescue | ||
| raise Pio::ParseError, $ERROR_INFO.message | ||
| end | ||
| end | ||
| ICMP = Icmp | ||
| end |
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