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Fix IPv4 boundary checking#73

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ReneWerner87 merged 1 commit intogofiber:masterfrom
fufuok:fix-IsIPv4
Mar 19, 2024
Merged

Fix IPv4 boundary checking#73
ReneWerner87 merged 1 commit intogofiber:masterfrom
fufuok:fix-IsIPv4

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@fufuok fufuok commented Mar 18, 2024 •
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"255.255.255.255" is correct for IPv4.

Summary by CodeRabbit

  • Bug Fixes
    • Improved the accuracy of IPv4 address validation.
  • Tests
    • Added a test case to ensure invalid IPv4 addresses are correctly identified.

@fufuok fufuok requested a review from a team as a code owner March 18, 2024 04:32
@fufuok fufuok requested review from ReneWerner87, efectn, gaby and sixcolors and removed request for a team March 18, 2024 04:32
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coderabbitai bot commented Mar 18, 2024 •
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Walkthrough

The recent update focuses on refining the validation logic for IPv4 addresses. Specifically, it corrects the condition that determines if a given number exceeds the maximum allowable value for an IPv4 segment. Additionally, a new test case has been introduced to ensure the updated logic accurately identifies an invalid IPv4 address, enhancing the reliability of the address validation process.

Changes

File Change Summary
ips.go Updated the IsIPv4 function to correctly validate IPv4 ranges.
ips_test.go Added a test for an invalid IPv4 address "255.255.255.256".

🐇✨
In the code where bits and bytes play,
A tiny change makes a big sway.
"Fix a check, add a test," they say,
To keep the wrong addresses at bay.
Hop, hop, hurray! 🎉
🐇✨

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coderabbitai[bot]
coderabbitai bot reviewed Mar 18, 2024
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Review Status

Actionable comments generated: 0

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between dbfbf0b and 7ca5fab.
Files selected for processing (2)
  • ips.go (1 hunks)
  • ips_test.go (2 hunks)
Additional comments: 2
ips.go (1)
  • 24-24: The change from n >= 0xFF to n > 0xFF correctly fixes the boundary checking logic for IPv4 addresses, allowing 255 as a valid octet value. This is a crucial fix for accurately validating IPv4 addresses.
ips_test.go (1)
  • 34-34: The addition of the test case to check for the invalid IPv4 address "255.255.255.256" is crucial for validating the fix in the IsIPv4 function. It ensures that the boundary checking logic correctly identifies values just beyond the valid range as invalid.

@gaby gaby added the ☢️ Bug Something isn't working label Mar 18, 2024
gaby
gaby approved these changes Mar 18, 2024
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LGTM

@ReneWerner87 ReneWerner87 merged commit 7008899 into gofiber:master Mar 19, 2024
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@coderabbitai coderabbitai[bot] coderabbitai[bot] left review comments

@gaby gaby gaby approved these changes

@ReneWerner87 ReneWerner87 ReneWerner87 approved these changes

@sixcolors sixcolors Awaiting requested review from sixcolors sixcolors is a code owner automatically assigned from gofiber/maintainers

@efectn efectn Awaiting requested review from efectn efectn is a code owner automatically assigned from gofiber/maintainers

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@fufuok @gaby @ReneWerner87