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https://github.com/go-gitea/gitea
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0704009dd7
* Revert the minimal golang version requirement from 1.17 to 1.16 and add a warning in Makefile * Apply suggestions from code review Co-authored-by: John Olheiser <john.olheiser@gmail.com> * 1.16 * Update modules/util/net.go Co-authored-by: Gusted <williamzijl7@hotmail.com> * correct bool conditional yay tests for catching this :) * Update hostmatcher.go Co-authored-by: John Olheiser <john.olheiser@gmail.com> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Gusted <williamzijl7@hotmail.com>
20 lines
464 B
Go
20 lines
464 B
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package util
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import (
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"net"
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)
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// IsIPPrivate for net.IP.IsPrivate.
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func IsIPPrivate(ip net.IP) bool {
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if ip4 := ip.To4(); ip4 != nil {
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return ip4[0] == 10 ||
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(ip4[0] == 172 && ip4[1]&0xf0 == 16) ||
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(ip4[0] == 192 && ip4[1] == 168)
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}
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return len(ip) == net.IPv6len && ip[0]&0xfe == 0xfc
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}
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