rapid7/metasploit-framework

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modules/auxiliary/scanner/misc/dahua_dvr_auth_bypass.rb

Summary

Maintainability
A
3 hrs
Test Coverage

Similar blocks of code found in 3 locations. Consider refactoring.
Open

          [ 'CHANNEL', { 'Description' => 'Obtain the channel/camera information from the DVR' } ],
          [ 'DDNS', { 'Description' => 'Obtain the DDNS settings from the DVR' } ],
          [ 'EMAIL', { 'Description' => 'Obtain the email settings from the DVR' } ],
          [ 'GROUP', { 'Description' => 'Obtain the group information the DVR' } ],
          [ 'NAS', { 'Description' => 'Obtain the NAS settings from the DVR' } ],
Severity: Major
Found in modules/auxiliary/scanner/misc/dahua_dvr_auth_bypass.rb and 2 other locations - About 55 mins to fix
modules/auxiliary/cloud/kubernetes/enum_kubernetes.rb on lines 39..47
modules/auxiliary/scanner/scada/modbusclient.rb on lines 28..36

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 46.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

    service_data = {
      address: ddns_server,
      port: ddns_port,
      service_name: 'ddns settings',
      protocol: 'tcp',
Severity: Minor
Found in modules/auxiliary/scanner/misc/dahua_dvr_auth_bypass.rb and 1 other location - About 50 mins to fix
modules/auxiliary/scanner/misc/dahua_dvr_auth_bypass.rb on lines 375..397

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 43.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

    service_data = {
      address: mailserver,
      port: mailport,
      service_name: 'email settings',
      protocol: 'tcp',
Severity: Minor
Found in modules/auxiliary/scanner/misc/dahua_dvr_auth_bypass.rb and 1 other location - About 50 mins to fix
modules/auxiliary/scanner/misc/dahua_dvr_auth_bypass.rb on lines 350..372

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 43.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

  def grab_serial
    connect
    sock.put(SN)
    data = sock.get_once
    return unless data =~ /[\x00]{8,}([[:print:]]+)/
Severity: Minor
Found in modules/auxiliary/scanner/misc/dahua_dvr_auth_bypass.rb and 1 other location - About 15 mins to fix
modules/auxiliary/scanner/misc/dahua_dvr_auth_bypass.rb on lines 89..95

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 26.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

  def grab_version
    connect
    sock.put(VERSION)
    data = sock.get_once
    return unless data =~ /[\x00]{8,}([[:print:]]+)/
Severity: Minor
Found in modules/auxiliary/scanner/misc/dahua_dvr_auth_bypass.rb and 1 other location - About 15 mins to fix
modules/auxiliary/scanner/misc/dahua_dvr_auth_bypass.rb on lines 98..104

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 26.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

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