From 9f0845ca43c67e2282669d99fb4ea2c925ec4ff4 Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Thu, 14 May 2020 08:59:10 +0000
Subject: Bump github.com/containernetworking/plugins from 0.8.5 to 0.8.6

Bumps [github.com/containernetworking/plugins](https://github.com/containernetworking/plugins) from 0.8.5 to 0.8.6.
- [Release notes](https://github.com/containernetworking/plugins/releases)
- [Commits](https://github.com/containernetworking/plugins/compare/v0.8.5...v0.8.6)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
---
 .../plugins/pkg/utils/sysctl/sysctl_linux.go       | 80 ++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 vendor/github.com/containernetworking/plugins/pkg/utils/sysctl/sysctl_linux.go

(limited to 'vendor/github.com/containernetworking/plugins/pkg/utils')

diff --git a/vendor/github.com/containernetworking/plugins/pkg/utils/sysctl/sysctl_linux.go b/vendor/github.com/containernetworking/plugins/pkg/utils/sysctl/sysctl_linux.go
new file mode 100644
index 000000000..7ee47e1ce
--- /dev/null
+++ b/vendor/github.com/containernetworking/plugins/pkg/utils/sysctl/sysctl_linux.go
@@ -0,0 +1,80 @@
+// Copyright 2016 CNI authors
+//
+// 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 sysctl
+
+import (
+	"fmt"
+	"io/ioutil"
+	"path/filepath"
+	"strings"
+)
+
+// Sysctl provides a method to set/get values from /proc/sys - in linux systems
+// new interface to set/get values of variables formerly handled by sysctl syscall
+// If optional `params` have only one string value - this function will
+// set this value into corresponding sysctl variable
+func Sysctl(name string, params ...string) (string, error) {
+	if len(params) > 1 {
+		return "", fmt.Errorf("unexcepted additional parameters")
+	} else if len(params) == 1 {
+		return setSysctl(name, params[0])
+	}
+	return getSysctl(name)
+}
+
+func getSysctl(name string) (string, error) {
+	fullName := filepath.Join("/proc/sys", toNormalName(name))
+	fullName = filepath.Clean(fullName)
+	data, err := ioutil.ReadFile(fullName)
+	if err != nil {
+		return "", err
+	}
+
+	return string(data[:len(data)-1]), nil
+}
+
+func setSysctl(name, value string) (string, error) {
+	fullName := filepath.Join("/proc/sys", toNormalName(name))
+	fullName = filepath.Clean(fullName)
+	if err := ioutil.WriteFile(fullName, []byte(value), 0644); err != nil {
+		return "", err
+	}
+
+	return getSysctl(name)
+}
+
+// Normalize names by using slash as separator
+// Sysctl names can use dots or slashes as separator:
+// - if dots are used, dots and slashes are interchanged.
+// - if slashes are used, slashes and dots are left intact.
+// Separator in use is determined by first occurrence.
+func toNormalName(name string) string {
+	interchange := false
+	for _, c := range name {
+		if c == '.' {
+			interchange = true
+			break
+		}
+		if c == '/' {
+			break
+		}
+	}
+
+	if interchange {
+		r := strings.NewReplacer(".", "/", "/", ".")
+		return r.Replace(name)
+	}
+	return name
+}
-- 
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