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Merge pull request #17 from praetorian-inc/detect-ipmi
Add IPMI Detection Plugin
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| // Copyright 2022 Praetorian Security, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package ipmi | ||
|
|
||
| import ( | ||
| "io" | ||
| "net" | ||
| "time" | ||
|
|
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| "github.com/praetorian-inc/fingerprintx/pkg/plugins" | ||
| ) | ||
|
|
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| // http://72.47.221.139/sites/default/files/standards/documents/DSP0114.pdf | ||
|
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| var ipmiInitialPacket = [23]byte{ | ||
|
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| // | ||
| // Remote Management Control Protocol, Class: IPMI | ||
| // Version: 0x06 | ||
| // Reserved: 0x00 | ||
| // Sequence: 0xFF | ||
| // Type: 0x07 | ||
| // | ||
|
|
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| 0x06, 0x00, 0xFF, 0x07, | ||
|
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| // | ||
| // IPMI v1.5 Session Wrapper, Session ID 0x00 | ||
| // Authentication Type: NONE (0x00) | ||
| // Session ID: 0x00 0x00 0x00 0x00 | ||
| // Session Sequence number: 0x00 0x00 0x00 0x00 | ||
| // Message Length: 9 | ||
| // | ||
|
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||
| 0x00, | ||
| 0x00, 0x00, 0x00, 0x00, | ||
| 0x00, 0x00, 0x00, 0x00, | ||
| 0x09, | ||
|
|
||
| // | ||
| // Intelligent Platform Management Bus | ||
| // Bus Command Data: 20 18 C8 81 00 38 8E 04 B5 | ||
| // | ||
|
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| 0x20, 0x18, 0xC8, 0x81, 0x00, 0x38, 0x8E, 0x04, 0xB5, | ||
| } | ||
|
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| var ipmiExpectedResponse = [13]byte{ | ||
|
|
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| /* | ||
| * Remote Management Control Protocol, Class: IPMI | ||
| * Version: 0x06 | ||
| * Reserved: 0x00 | ||
| * Sequence: 0xFF | ||
| * Type: 0x07 | ||
| */ | ||
|
|
||
| 0x06, 0x00, 0xFF, 0x07, | ||
|
|
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| // | ||
| // IPMI v1.5 Session Wrapper, Session ID 0x00 | ||
| // Authentication Type: NONE (0x00) | ||
| // Session ID: 0x00 0x00 0x00 0x00 | ||
| // Session Sequence number: 0x00 0x00 0x00 0x00 | ||
| // | ||
|
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| 0x00, | ||
| 0x00, 0x00, 0x00, 0x00, | ||
| 0x00, 0x00, 0x00, 0x00, | ||
| } | ||
|
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| type IPMIPlugin struct{} | ||
|
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| const IPMI = "ipmi" | ||
|
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| func isIPMI(conn net.Conn, timeout time.Duration) (bool, error) { | ||
| _, err := conn.Write(ipmiInitialPacket[:]) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
|
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| response := make([]byte, len(ipmiExpectedResponse)) | ||
|
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| err = conn.SetReadDeadline(time.Now().Add(timeout)) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
|
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| _, err = io.ReadFull(conn, response) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
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| for i, b := range ipmiExpectedResponse { | ||
| if response[i] != b { | ||
| return false, nil | ||
| } | ||
| } | ||
|
|
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| return true, nil | ||
| } | ||
|
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| func init() { | ||
| plugins.RegisterPlugin(&IPMIPlugin{}) | ||
| } | ||
|
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| func (p *IPMIPlugin) PortPriority(port uint16) bool { | ||
| return port == 623 | ||
| } | ||
|
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| func (p *IPMIPlugin) Run(conn net.Conn, timeout time.Duration, target plugins.Target) (*plugins.Service, error) { | ||
| if isIPMI, err := isIPMI(conn, timeout); !isIPMI || err != nil { | ||
| return nil, nil | ||
| } | ||
| payload := plugins.ServiceIPMI{} | ||
|
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| return plugins.CreateServiceFrom(target, payload, false, "", plugins.UDP), nil | ||
| } | ||
|
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| func (p *IPMIPlugin) Name() string { | ||
| return IPMI | ||
| } | ||
|
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| func (p *IPMIPlugin) Type() plugins.Protocol { | ||
| return plugins.UDP | ||
| } | ||
|
|
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| func (p *IPMIPlugin) Priority() int { | ||
| return 80 | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| // Copyright 2022 Praetorian Security, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package ipmi | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
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| "github.com/ory/dockertest/v3" | ||
| "github.com/praetorian-inc/fingerprintx/pkg/plugins" | ||
| "github.com/praetorian-inc/fingerprintx/pkg/test" | ||
| ) | ||
|
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| func TestIPMI(t *testing.T) { | ||
| testcases := []test.Testcase{ | ||
| { | ||
| Description: "ipmi", | ||
| Port: 623, | ||
| Protocol: plugins.UDP, | ||
| Expected: func(res *plugins.Service) bool { | ||
| return res != nil | ||
| }, | ||
| RunConfig: dockertest.RunOptions{ | ||
| Repository: "vaporio/ipmi-simulator", | ||
| ExposedPorts: []string{"623/udp"}, | ||
| }, | ||
| }, | ||
| } | ||
|
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| p := &IPMIPlugin{} | ||
|
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| for _, tc := range testcases { | ||
| tc := tc | ||
| t.Run(tc.Description, func(t *testing.T) { | ||
| t.Parallel() | ||
| err := test.RunTest(t, tc, p) | ||
| if err != nil { | ||
| t.Errorf(err.Error()) | ||
| } | ||
| }) | ||
| } | ||
| } |
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